4.7

CVE-2021-27853

Exploit

EPSS 0.04%
Published 27.09.2022 18:15:09
Last modified 21.05.2025 16:15:24
Source cret@cert.org
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Layer 2 network filtering capabilities such as IPv6 RA guard or ARP inspection can be bypassed using combinations of VLAN 0 headers and LLC/SNAP headers.

Affected products Warnungen 0 Metrics 3 CWE 1 References 9

Data is provided by the National Vulnerability Database (NVD)

Ieee ≫ Ieee 802.2 Version <= 802.2h-1997

Ietf ≫ P802.1q Version <= d1.0

Cisco ≫ Ios Xe Version17.3.3

   Cisco ≫ Catalyst 3650-12x48fd-e Version-
   Cisco ≫ Catalyst 3650-12x48fd-l Version-
   Cisco ≫ Catalyst 3650-12x48fd-s Version-
   Cisco ≫ Catalyst 3650-12x48uq-e Version-
   Cisco ≫ Catalyst 3650-12x48uq-l Version-
   Cisco ≫ Catalyst 3650-12x48uq-s Version-
   Cisco ≫ Catalyst 3650-12x48ur-e Version-
   Cisco ≫ Catalyst 3650-12x48ur-l Version-
   Cisco ≫ Catalyst 3650-12x48ur-s Version-
   Cisco ≫ Catalyst 3650-12x48uz-e Version-
   Cisco ≫ Catalyst 3650-12x48uz-l Version-
   Cisco ≫ Catalyst 3650-12x48uz-s Version-
   Cisco ≫ Catalyst 3650-24pd-e Version-
   Cisco ≫ Catalyst 3650-24pd-l Version-
   Cisco ≫ Catalyst 3650-24pd-s Version-
   Cisco ≫ Catalyst 3650-24pdm-e Version-
   Cisco ≫ Catalyst 3650-24pdm-l Version-
   Cisco ≫ Catalyst 3650-24pdm-s Version-
   Cisco ≫ Catalyst 3650-24ps-e Version-
   Cisco ≫ Catalyst 3650-24ps-l Version-
   Cisco ≫ Catalyst 3650-24ps-s Version-
   Cisco ≫ Catalyst 3650-24td-e Version-
   Cisco ≫ Catalyst 3650-24td-l Version-
   Cisco ≫ Catalyst 3650-24td-s Version-
   Cisco ≫ Catalyst 3650-24ts-e Version-
   Cisco ≫ Catalyst 3650-24ts-l Version-
   Cisco ≫ Catalyst 3650-24ts-s Version-
   Cisco ≫ Catalyst 3650-48fd-e Version-
   Cisco ≫ Catalyst 3650-48fd-l Version-
   Cisco ≫ Catalyst 3650-48fd-s Version-
   Cisco ≫ Catalyst 3650-48fq-e Version-
   Cisco ≫ Catalyst 3650-48fq-l Version-
   Cisco ≫ Catalyst 3650-48fq-s Version-
   Cisco ≫ Catalyst 3650-48fqm-e Version-
   Cisco ≫ Catalyst 3650-48fqm-l Version-
   Cisco ≫ Catalyst 3650-48fqm-s Version-
   Cisco ≫ Catalyst 3650-48fs-e Version-
   Cisco ≫ Catalyst 3650-48fs-l Version-
   Cisco ≫ Catalyst 3650-48fs-s Version-
   Cisco ≫ Catalyst 3650-48pd-e Version-
   Cisco ≫ Catalyst 3650-48pd-l Version-
   Cisco ≫ Catalyst 3650-48pd-s Version-
   Cisco ≫ Catalyst 3650-48pq-e Version-
   Cisco ≫ Catalyst 3650-48pq-l Version-
   Cisco ≫ Catalyst 3650-48pq-s Version-
   Cisco ≫ Catalyst 3650-48ps-e Version-
   Cisco ≫ Catalyst 3650-48ps-l Version-
   Cisco ≫ Catalyst 3650-48ps-s Version-
   Cisco ≫ Catalyst 3650-48td-e Version-
   Cisco ≫ Catalyst 3650-48td-l Version-
   Cisco ≫ Catalyst 3650-48td-s Version-
   Cisco ≫ Catalyst 3650-48tq-e Version-
   Cisco ≫ Catalyst 3650-48tq-l Version-
   Cisco ≫ Catalyst 3650-48tq-s Version-
   Cisco ≫ Catalyst 3650-48ts-e Version-
   Cisco ≫ Catalyst 3650-48ts-l Version-
   Cisco ≫ Catalyst 3650-48ts-s Version-
   Cisco ≫ Catalyst 3650-8x24pd-e Version-
   Cisco ≫ Catalyst 3650-8x24pd-l Version-
   Cisco ≫ Catalyst 3650-8x24pd-s Version-
   Cisco ≫ Catalyst 3650-8x24uq-e Version-
   Cisco ≫ Catalyst 3650-8x24uq-l Version-
   Cisco ≫ Catalyst 3650-8x24uq-s Version-
   Cisco ≫ Catalyst 3850-12s-e Version-
   Cisco ≫ Catalyst 3850-12s-s Version-
   Cisco ≫ Catalyst 3850-12xs-e Version-
   Cisco ≫ Catalyst 3850-12xs-s Version-
   Cisco ≫ Catalyst 3850-16xs-e Version-
   Cisco ≫ Catalyst 3850-16xs-s Version-
   Cisco ≫ Catalyst 3850-24p-e Version-
   Cisco ≫ Catalyst 3850-24p-l Version-
   Cisco ≫ Catalyst 3850-24pw-s Version-
   Cisco ≫ Catalyst 3850-24s-e Version-
   Cisco ≫ Catalyst 3850-24s-s Version-
   Cisco ≫ Catalyst 3850-24t-e Version-
   Cisco ≫ Catalyst 3850-24t-l Version-
   Cisco ≫ Catalyst 3850-24t-s Version-
   Cisco ≫ Catalyst 3850-24u-e Version-
   Cisco ≫ Catalyst 3850-24u-l Version-
   Cisco ≫ Catalyst 3850-24u-s Version-
   Cisco ≫ Catalyst 3850-24xs-e Version-
   Cisco ≫ Catalyst 3850-24xs-s Version-
   Cisco ≫ Catalyst 3850-24xu-e Version-
   Cisco ≫ Catalyst 3850-24xu-l Version-
   Cisco ≫ Catalyst 3850-24xu-s Version-
   Cisco ≫ Catalyst 3850-32xs-e Version-
   Cisco ≫ Catalyst 3850-32xs-s Version-
   Cisco ≫ Catalyst 3850-48f-e Version-
   Cisco ≫ Catalyst 3850-48f-l Version-
   Cisco ≫ Catalyst 3850-48f-s Version-
   Cisco ≫ Catalyst 3850-48p-e Version-
   Cisco ≫ Catalyst 3850-48p-l Version-
   Cisco ≫ Catalyst 3850-48p-s Version-
   Cisco ≫ Catalyst 3850-48pw-s Version-
   Cisco ≫ Catalyst 3850-48t-e Version-
   Cisco ≫ Catalyst 3850-48t-l Version-
   Cisco ≫ Catalyst 3850-48t-s Version-
   Cisco ≫ Catalyst 3850-48u-e Version-
   Cisco ≫ Catalyst 3850-48u-l Version-
   Cisco ≫ Catalyst 3850-48u-s Version-
   Cisco ≫ Catalyst 3850-48xs-e Version-
   Cisco ≫ Catalyst 3850-48xs-f-e Version-
   Cisco ≫ Catalyst 3850-48xs-f-s Version-
   Cisco ≫ Catalyst 3850-48xs-s Version-
   Cisco ≫ Catalyst 9200 Version-
   Cisco ≫ Catalyst 9200cx Version-
   Cisco ≫ Catalyst 9200l Version-
   Cisco ≫ Catalyst 9300 Version-
   Cisco ≫ Catalyst 9300l Version-
   Cisco ≫ Catalyst 9300lm Version-
   Cisco ≫ Catalyst 9300x Version-
   Cisco ≫ Catalyst 9400 Version-
   Cisco ≫ Catalyst 9500 Version-
   Cisco ≫ Catalyst 9500h Version-
   Cisco ≫ Catalyst 9600 Version-
   Cisco ≫ Catalyst 9600x Version-
   Cisco ≫ Catalyst C3850-12x48u-e Version-
   Cisco ≫ Catalyst C3850-12x48u-l Version-
   Cisco ≫ Catalyst C3850-12x48u-s Version-

Cisco ≫ Ios Xe Version17.4.1

   Cisco ≫ Catalyst 3650-12x48fd-e Version-
   Cisco ≫ Catalyst 3650-12x48fd-l Version-
   Cisco ≫ Catalyst 3650-12x48fd-s Version-
   Cisco ≫ Catalyst 3650-12x48uq-e Version-
   Cisco ≫ Catalyst 3650-12x48uq-l Version-
   Cisco ≫ Catalyst 3650-12x48uq-s Version-
   Cisco ≫ Catalyst 3650-12x48ur-e Version-
   Cisco ≫ Catalyst 3650-12x48ur-l Version-
   Cisco ≫ Catalyst 3650-12x48ur-s Version-
   Cisco ≫ Catalyst 3650-12x48uz-e Version-
   Cisco ≫ Catalyst 3650-12x48uz-l Version-
   Cisco ≫ Catalyst 3650-12x48uz-s Version-
   Cisco ≫ Catalyst 3650-24pd-e Version-
   Cisco ≫ Catalyst 3650-24pd-l Version-
   Cisco ≫ Catalyst 3650-24pd-s Version-
   Cisco ≫ Catalyst 3650-24pdm-e Version-
   Cisco ≫ Catalyst 3650-24pdm-l Version-
   Cisco ≫ Catalyst 3650-24pdm-s Version-
   Cisco ≫ Catalyst 3650-24ps-e Version-
   Cisco ≫ Catalyst 3650-24ps-l Version-
   Cisco ≫ Catalyst 3650-24ps-s Version-
   Cisco ≫ Catalyst 3650-24td-e Version-
   Cisco ≫ Catalyst 3650-24td-l Version-
   Cisco ≫ Catalyst 3650-24td-s Version-
   Cisco ≫ Catalyst 3650-24ts-e Version-
   Cisco ≫ Catalyst 3650-24ts-l Version-
   Cisco ≫ Catalyst 3650-24ts-s Version-
   Cisco ≫ Catalyst 3650-48fd-e Version-
   Cisco ≫ Catalyst 3650-48fd-l Version-
   Cisco ≫ Catalyst 3650-48fd-s Version-
   Cisco ≫ Catalyst 3650-48fq-e Version-
   Cisco ≫ Catalyst 3650-48fq-l Version-
   Cisco ≫ Catalyst 3650-48fq-s Version-
   Cisco ≫ Catalyst 3650-48fqm-e Version-
   Cisco ≫ Catalyst 3650-48fqm-l Version-
   Cisco ≫ Catalyst 3650-48fqm-s Version-
   Cisco ≫ Catalyst 3650-48fs-e Version-
   Cisco ≫ Catalyst 3650-48fs-l Version-
   Cisco ≫ Catalyst 3650-48fs-s Version-
   Cisco ≫ Catalyst 3650-48pd-e Version-
   Cisco ≫ Catalyst 3650-48pd-l Version-
   Cisco ≫ Catalyst 3650-48pd-s Version-
   Cisco ≫ Catalyst 3650-48pq-e Version-
   Cisco ≫ Catalyst 3650-48pq-l Version-
   Cisco ≫ Catalyst 3650-48pq-s Version-
   Cisco ≫ Catalyst 3650-48ps-e Version-
   Cisco ≫ Catalyst 3650-48ps-l Version-
   Cisco ≫ Catalyst 3650-48ps-s Version-
   Cisco ≫ Catalyst 3650-48td-e Version-
   Cisco ≫ Catalyst 3650-48td-l Version-
   Cisco ≫ Catalyst 3650-48td-s Version-
   Cisco ≫ Catalyst 3650-48tq-e Version-
   Cisco ≫ Catalyst 3650-48tq-l Version-
   Cisco ≫ Catalyst 3650-48tq-s Version-
   Cisco ≫ Catalyst 3650-48ts-e Version-
   Cisco ≫ Catalyst 3650-48ts-l Version-
   Cisco ≫ Catalyst 3650-48ts-s Version-
   Cisco ≫ Catalyst 3650-8x24pd-e Version-
   Cisco ≫ Catalyst 3650-8x24pd-l Version-
   Cisco ≫ Catalyst 3650-8x24pd-s Version-
   Cisco ≫ Catalyst 3650-8x24uq-e Version-
   Cisco ≫ Catalyst 3650-8x24uq-l Version-
   Cisco ≫ Catalyst 3650-8x24uq-s Version-
   Cisco ≫ Catalyst 3850-12s-e Version-
   Cisco ≫ Catalyst 3850-12s-s Version-
   Cisco ≫ Catalyst 3850-12xs-e Version-
   Cisco ≫ Catalyst 3850-12xs-s Version-
   Cisco ≫ Catalyst 3850-16xs-e Version-
   Cisco ≫ Catalyst 3850-16xs-s Version-
   Cisco ≫ Catalyst 3850-24p-e Version-
   Cisco ≫ Catalyst 3850-24p-l Version-
   Cisco ≫ Catalyst 3850-24pw-s Version-
   Cisco ≫ Catalyst 3850-24s-e Version-
   Cisco ≫ Catalyst 3850-24s-s Version-
   Cisco ≫ Catalyst 3850-24t-e Version-
   Cisco ≫ Catalyst 3850-24t-l Version-
   Cisco ≫ Catalyst 3850-24t-s Version-
   Cisco ≫ Catalyst 3850-24u-e Version-
   Cisco ≫ Catalyst 3850-24u-l Version-
   Cisco ≫ Catalyst 3850-24u-s Version-
   Cisco ≫ Catalyst 3850-24xs-e Version-
   Cisco ≫ Catalyst 3850-24xs-s Version-
   Cisco ≫ Catalyst 3850-24xu-e Version-
   Cisco ≫ Catalyst 3850-24xu-l Version-
   Cisco ≫ Catalyst 3850-24xu-s Version-
   Cisco ≫ Catalyst 3850-32xs-e Version-
   Cisco ≫ Catalyst 3850-32xs-s Version-
   Cisco ≫ Catalyst 3850-48f-e Version-
   Cisco ≫ Catalyst 3850-48f-l Version-
   Cisco ≫ Catalyst 3850-48f-s Version-
   Cisco ≫ Catalyst 3850-48p-e Version-
   Cisco ≫ Catalyst 3850-48p-l Version-
   Cisco ≫ Catalyst 3850-48p-s Version-
   Cisco ≫ Catalyst 3850-48pw-s Version-
   Cisco ≫ Catalyst 3850-48t-e Version-
   Cisco ≫ Catalyst 3850-48t-l Version-
   Cisco ≫ Catalyst 3850-48t-s Version-
   Cisco ≫ Catalyst 3850-48u-e Version-
   Cisco ≫ Catalyst 3850-48u-l Version-
   Cisco ≫ Catalyst 3850-48u-s Version-
   Cisco ≫ Catalyst 3850-48xs-e Version-
   Cisco ≫ Catalyst 3850-48xs-f-e Version-
   Cisco ≫ Catalyst 3850-48xs-f-s Version-
   Cisco ≫ Catalyst 3850-48xs-s Version-
   Cisco ≫ Catalyst 9200 Version-
   Cisco ≫ Catalyst 9200cx Version-
   Cisco ≫ Catalyst 9200l Version-
   Cisco ≫ Catalyst 9300 Version-
   Cisco ≫ Catalyst 9300l Version-
   Cisco ≫ Catalyst 9300lm Version-
   Cisco ≫ Catalyst 9300x Version-
   Cisco ≫ Catalyst 9400 Version-
   Cisco ≫ Catalyst 9500 Version-
   Cisco ≫ Catalyst 9500h Version-
   Cisco ≫ Catalyst 9600 Version-
   Cisco ≫ Catalyst 9600x Version-
   Cisco ≫ Catalyst C3850-12x48u-e Version-
   Cisco ≫ Catalyst C3850-12x48u-l Version-
   Cisco ≫ Catalyst C3850-12x48u-s Version-

Cisco ≫ Ios Xe Version17.6.1

   Cisco ≫ Catalyst 3650-12x48fd-e Version-
   Cisco ≫ Catalyst 3650-12x48fd-l Version-
   Cisco ≫ Catalyst 3650-12x48fd-s Version-
   Cisco ≫ Catalyst 3650-12x48uq-e Version-
   Cisco ≫ Catalyst 3650-12x48uq-l Version-
   Cisco ≫ Catalyst 3650-12x48uq-s Version-
   Cisco ≫ Catalyst 3650-12x48ur-e Version-
   Cisco ≫ Catalyst 3650-12x48ur-l Version-
   Cisco ≫ Catalyst 3650-12x48ur-s Version-
   Cisco ≫ Catalyst 3650-12x48uz-e Version-
   Cisco ≫ Catalyst 3650-12x48uz-l Version-
   Cisco ≫ Catalyst 3650-12x48uz-s Version-
   Cisco ≫ Catalyst 3650-24pd-e Version-
   Cisco ≫ Catalyst 3650-24pd-l Version-
   Cisco ≫ Catalyst 3650-24pd-s Version-
   Cisco ≫ Catalyst 3650-24pdm-e Version-
   Cisco ≫ Catalyst 3650-24pdm-l Version-
   Cisco ≫ Catalyst 3650-24pdm-s Version-
   Cisco ≫ Catalyst 3650-24ps-e Version-
   Cisco ≫ Catalyst 3650-24ps-l Version-
   Cisco ≫ Catalyst 3650-24ps-s Version-
   Cisco ≫ Catalyst 3650-24td-e Version-
   Cisco ≫ Catalyst 3650-24td-l Version-
   Cisco ≫ Catalyst 3650-24td-s Version-
   Cisco ≫ Catalyst 3650-24ts-e Version-
   Cisco ≫ Catalyst 3650-24ts-l Version-
   Cisco ≫ Catalyst 3650-24ts-s Version-
   Cisco ≫ Catalyst 3650-48fd-e Version-
   Cisco ≫ Catalyst 3650-48fd-l Version-
   Cisco ≫ Catalyst 3650-48fd-s Version-
   Cisco ≫ Catalyst 3650-48fq-e Version-
   Cisco ≫ Catalyst 3650-48fq-l Version-
   Cisco ≫ Catalyst 3650-48fq-s Version-
   Cisco ≫ Catalyst 3650-48fqm-e Version-
   Cisco ≫ Catalyst 3650-48fqm-l Version-
   Cisco ≫ Catalyst 3650-48fqm-s Version-
   Cisco ≫ Catalyst 3650-48fs-e Version-
   Cisco ≫ Catalyst 3650-48fs-l Version-
   Cisco ≫ Catalyst 3650-48fs-s Version-
   Cisco ≫ Catalyst 3650-48pd-e Version-
   Cisco ≫ Catalyst 3650-48pd-l Version-
   Cisco ≫ Catalyst 3650-48pd-s Version-
   Cisco ≫ Catalyst 3650-48pq-e Version-
   Cisco ≫ Catalyst 3650-48pq-l Version-
   Cisco ≫ Catalyst 3650-48pq-s Version-
   Cisco ≫ Catalyst 3650-48ps-e Version-
   Cisco ≫ Catalyst 3650-48ps-l Version-
   Cisco ≫ Catalyst 3650-48ps-s Version-
   Cisco ≫ Catalyst 3650-48td-e Version-
   Cisco ≫ Catalyst 3650-48td-l Version-
   Cisco ≫ Catalyst 3650-48td-s Version-
   Cisco ≫ Catalyst 3650-48tq-e Version-
   Cisco ≫ Catalyst 3650-48tq-l Version-
   Cisco ≫ Catalyst 3650-48tq-s Version-
   Cisco ≫ Catalyst 3650-48ts-e Version-
   Cisco ≫ Catalyst 3650-48ts-l Version-
   Cisco ≫ Catalyst 3650-48ts-s Version-
   Cisco ≫ Catalyst 3650-8x24pd-e Version-
   Cisco ≫ Catalyst 3650-8x24pd-l Version-
   Cisco ≫ Catalyst 3650-8x24pd-s Version-
   Cisco ≫ Catalyst 3650-8x24uq-e Version-
   Cisco ≫ Catalyst 3650-8x24uq-l Version-
   Cisco ≫ Catalyst 3650-8x24uq-s Version-
   Cisco ≫ Catalyst 3850-12s-e Version-
   Cisco ≫ Catalyst 3850-12s-s Version-
   Cisco ≫ Catalyst 3850-12xs-e Version-
   Cisco ≫ Catalyst 3850-12xs-s Version-
   Cisco ≫ Catalyst 3850-16xs-e Version-
   Cisco ≫ Catalyst 3850-16xs-s Version-
   Cisco ≫ Catalyst 3850-24p-e Version-
   Cisco ≫ Catalyst 3850-24p-l Version-
   Cisco ≫ Catalyst 3850-24pw-s Version-
   Cisco ≫ Catalyst 3850-24s-e Version-
   Cisco ≫ Catalyst 3850-24s-s Version-
   Cisco ≫ Catalyst 3850-24t-e Version-
   Cisco ≫ Catalyst 3850-24t-l Version-
   Cisco ≫ Catalyst 3850-24t-s Version-
   Cisco ≫ Catalyst 3850-24u-e Version-
   Cisco ≫ Catalyst 3850-24u-l Version-
   Cisco ≫ Catalyst 3850-24u-s Version-
   Cisco ≫ Catalyst 3850-24xs-e Version-
   Cisco ≫ Catalyst 3850-24xs-s Version-
   Cisco ≫ Catalyst 3850-24xu-e Version-
   Cisco ≫ Catalyst 3850-24xu-l Version-
   Cisco ≫ Catalyst 3850-24xu-s Version-
   Cisco ≫ Catalyst 3850-32xs-e Version-
   Cisco ≫ Catalyst 3850-32xs-s Version-
   Cisco ≫ Catalyst 3850-48f-e Version-
   Cisco ≫ Catalyst 3850-48f-l Version-
   Cisco ≫ Catalyst 3850-48f-s Version-
   Cisco ≫ Catalyst 3850-48p-e Version-
   Cisco ≫ Catalyst 3850-48p-l Version-
   Cisco ≫ Catalyst 3850-48p-s Version-
   Cisco ≫ Catalyst 3850-48pw-s Version-
   Cisco ≫ Catalyst 3850-48t-e Version-
   Cisco ≫ Catalyst 3850-48t-l Version-
   Cisco ≫ Catalyst 3850-48t-s Version-
   Cisco ≫ Catalyst 3850-48u-e Version-
   Cisco ≫ Catalyst 3850-48u-l Version-
   Cisco ≫ Catalyst 3850-48u-s Version-
   Cisco ≫ Catalyst 3850-48xs-e Version-
   Cisco ≫ Catalyst 3850-48xs-f-e Version-
   Cisco ≫ Catalyst 3850-48xs-f-s Version-
   Cisco ≫ Catalyst 3850-48xs-s Version-
   Cisco ≫ Catalyst 9200 Version-
   Cisco ≫ Catalyst 9200cx Version-
   Cisco ≫ Catalyst 9200l Version-
   Cisco ≫ Catalyst 9300 Version-
   Cisco ≫ Catalyst 9300l Version-
   Cisco ≫ Catalyst 9300lm Version-
   Cisco ≫ Catalyst 9300x Version-
   Cisco ≫ Catalyst 9400 Version-
   Cisco ≫ Catalyst 9500 Version-
   Cisco ≫ Catalyst 9500h Version-
   Cisco ≫ Catalyst 9600 Version-
   Cisco ≫ Catalyst 9600x Version-
   Cisco ≫ Catalyst C3850-12x48u-e Version-
   Cisco ≫ Catalyst C3850-12x48u-l Version-
   Cisco ≫ Catalyst C3850-12x48u-s Version-

Cisco ≫ Meraki Ms390 Firmware Version-

Cisco ≫ Meraki Ms390 Version-

Cisco ≫ Meraki Ms210 Firmware Version-

Cisco ≫ Meraki Ms210 Version-

Cisco ≫ Meraki Ms225 Firmware Version-

Cisco ≫ Meraki Ms225 Version-

Cisco ≫ Meraki Ms250 Firmware Version-

Cisco ≫ Meraki Ms250 Version-

Cisco ≫ Meraki Ms350 Firmware Version-

Cisco ≫ Meraki Ms350 Version-

Cisco ≫ Meraki Ms355 Firmware Version-

Cisco ≫ Meraki Ms355 Version-

Cisco ≫ Meraki Ms410 Firmware Version-

Cisco ≫ Meraki Ms410 Version-

Cisco ≫ Meraki Ms420 Firmware Version-

Cisco ≫ Meraki Ms420 Version-

Cisco ≫ Meraki Ms425 Firmware Version-

Cisco ≫ Meraki Ms425 Version-

Cisco ≫ Meraki Ms450 Firmware Version-

Cisco ≫ Meraki Ms450 Version-

Cisco ≫ Sf500-24 Firmware Version3.0.0.61

Cisco ≫ Sf500-24 Version-

Cisco ≫ Sf-500-24mp Firmware Version3.0.0.61

Cisco ≫ Sf-500-24mp Version-

Cisco ≫ Sf500-24p Firmware Version3.0.0.61

Cisco ≫ Sf500-24p Version-

Cisco ≫ Sf500-48 Firmware Version3.0.0.61

Cisco ≫ Sf500-48 Version-

Cisco ≫ Sf500-48mp Firmware Version3.0.0.61

Cisco ≫ Sf500-48mp Version-

Cisco ≫ Sf500-18p Firmware Version3.0.0.61

Cisco ≫ Sf500-18p Version-

Cisco ≫ Sg500-28 Firmware Version3.0.0.61

Cisco ≫ Sg500-28 Version-

Cisco ≫ Sg500-28mpp Firmware Version3.0.0.61

Cisco ≫ Sg500-28mpp Version-

Cisco ≫ Sg500-28p Firmware Version3.0.0.61

Cisco ≫ Sg500-28p Version-

Cisco ≫ Sg500-52 Firmware Version3.0.0.61

Cisco ≫ Sg500-52 Version-

Cisco ≫ Sg500-52mp Firmware Version3.0.0.61

Cisco ≫ Sg500-52mp Version-

Cisco ≫ Sg500-52p Firmware Version3.0.0.61

Cisco ≫ Sg500-52p Version-

Cisco ≫ Sg500x-24 Firmware Version3.0.0.61

Cisco ≫ Sg500x-24 Version-

Cisco ≫ Sg500x-24mpp Firmware Version3.0.0.61

Cisco ≫ Sg500x-24mpp Version-

Cisco ≫ Sg500x-24p Firmware Version3.0.0.61

Cisco ≫ Sg500x-24p Version-

Cisco ≫ Sg500x-48 Firmware Version3.0.0.61

Cisco ≫ Sg500x-48 Version-

Cisco ≫ Sg500x-48mpp Firmware Version3.0.0.61

Cisco ≫ Sg500x-48mpp Version-

Cisco ≫ Sg500x-48p Firmware Version3.0.0.61

Cisco ≫ Sg500x-48p Version-

Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.

EPSS Metriken
Type	Source	Score	Percentile
EPSS	FIRST.org	0.04%	0.103

CVSS Metriken
Source	Base Score	Exploit Score	Impact Score	Vector string
nvd@nist.gov	4.7	2.8	1.4	CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N
134c704f-9b21-4f2e-91b3-4a467353bcc0	4.7	2.8	1.4	CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N

CWE-290 Authentication Bypass by Spoofing

This attack-focused weakness is caused by incorrectly implemented authentication schemes that are subject to spoofing attacks.

https://blog.champtar.fr/VLAN0_LLC_SNAP/

Third Party Advisory

Exploit

https://datatracker.ietf.org/doc/draft-ietf-v6ops-ra-guard/08/

Third Party Advisory

Technical Description

https://kb.cert.org/vuls/id/855201

Third Party Advisory

US Government Resource

https://standards.ieee.org/ieee/802.1Q/10323/

Vendor Advisory

https://standards.ieee.org/ieee/802.2/1048/

Vendor Advisory

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-VU855201-J3z8CKTX

Third Party Advisory

https://nvd.nist.gov/vuln/detail/CVE-2021-27853

CVE Source (NVD)

https://cveawg.mitre.org/api/cve/CVE-2021-27853

CVE Source (JSON)

https://euvd.enisa.europa.eu/vulnerability/CVE-2021-27853

EUVD