6.5

CVE-2021-1389

A vulnerability in the IPv6 traffic processing of Cisco IOS XR Software and Cisco NX-OS Software for certain Cisco devices could allow an unauthenticated, remote attacker to bypass an IPv6 access control list (ACL) that is configured for an interface of an affected device. The vulnerability is due to improper processing of IPv6 traffic that is sent through an affected device. An attacker could exploit this vulnerability by sending crafted IPv6 packets that traverse the affected device. A successful exploit could allow the attacker to access resources that would typically be protected by the interface ACL.

Data is provided by the National Vulnerability Database (NVD)
CiscoIos Xr Version < 6.6.3
   CiscoNcs 540 Version-
   CiscoNcs 5501 Version-
   CiscoNcs 5501-se Version-
   CiscoNcs 5502 Version-
   CiscoNcs 5502-se Version-
   CiscoNcs 5508 Version-
   CiscoNcs 5516 Version-
   CiscoNcs 560 Version-
CiscoIos Xr Version7.1.0
   CiscoNcs 540 Version-
   CiscoNcs 5501 Version-
   CiscoNcs 5501-se Version-
   CiscoNcs 5502 Version-
   CiscoNcs 5502-se Version-
   CiscoNcs 5508 Version-
   CiscoNcs 5516 Version-
   CiscoNcs 560 Version-
CiscoIos Xr Version7.2.0
   CiscoNcs 540 Version-
   CiscoNcs 5501 Version-
   CiscoNcs 5501-se Version-
   CiscoNcs 5502 Version-
   CiscoNcs 5502-se Version-
   CiscoNcs 5508 Version-
   CiscoNcs 5516 Version-
   CiscoNcs 560 Version-
CiscoNx-os Version-
   CiscoNexus 3600 Version-
   CiscoNexus 9500 R Version-
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Type Source Score Percentile
EPSS FIRST.org 0.38% 0.59
CVSS Metriken
Source Base Score Exploit Score Impact Score Vector string
nvd@nist.gov 6.5 3.9 2.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
nvd@nist.gov 6.4 10 4.9
AV:N/AC:L/Au:N/C:P/I:P/A:N
psirt@cisco.com 5.8 3.9 1.4
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N
CWE-284 Improper Access Control

The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.