5.3

CVE-2020-3315

Multiple Cisco Products Snort HTTP Detection Engine File Policy Bypass Vulnerability

Multiple Cisco products are affected by a vulnerability in the Snort detection engine that could allow an unauthenticated, remote attacker to bypass the configured file policies on an affected system. The vulnerability is due to errors in how the Snort detection engine handles specific HTTP responses. An attacker could exploit this vulnerability by sending crafted HTTP packets that would flow through an affected system. A successful exploit could allow the attacker to bypass the configured file policies and deliver a malicious payload to the protected network.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Cisco ≫ Ios Version 16.11.2
   Cisco ≫ 1100-4g Integrated Services Router Version -
   Cisco ≫ 1100-6g Integrated Services Router Version -
   Cisco ≫ 1100-lte Integrated Services Router Version -
   Cisco ≫ 1101 Integrated Services Router Version -
   Cisco ≫ 1109 Integrated Services Router Version -
   Cisco ≫ 1111x Integrated Services Router Version -
   Cisco ≫ 111x Integrated Services Router Version -
   Cisco ≫ 1120 Integrated Services Router Version -
   Cisco ≫ 1160 Integrated Services Router Version -
   Cisco ≫ 4221 Integrated Services Router Version -
   Cisco ≫ 4331 Integrated Services Router Version -
   Cisco ≫ 4431 Integrated Services Router Version -
   Cisco ≫ 4461 Integrated Services Router Version -
   Cisco ≫ Csr1000v Version -
   Cisco ≫ Isa-3000-2c2f-k9 Version -
   Cisco ≫ Isa-3000-4c-k9 Version -
Cisco ≫ Ios Version 17.3.1
   Cisco ≫ 1100-4g Integrated Services Router Version -
   Cisco ≫ 1100-6g Integrated Services Router Version -
   Cisco ≫ 1100-lte Integrated Services Router Version -
   Cisco ≫ 1101 Integrated Services Router Version -
   Cisco ≫ 1109 Integrated Services Router Version -
   Cisco ≫ 1111x Integrated Services Router Version -
   Cisco ≫ 111x Integrated Services Router Version -
   Cisco ≫ 1120 Integrated Services Router Version -
   Cisco ≫ 1160 Integrated Services Router Version -
   Cisco ≫ 4221 Integrated Services Router Version -
   Cisco ≫ 4331 Integrated Services Router Version -
   Cisco ≫ 4431 Integrated Services Router Version -
   Cisco ≫ 4461 Integrated Services Router Version -
   Cisco ≫ Csr1000v Version -
   Cisco ≫ Isa-3000-2c2f-k9 Version -
   Cisco ≫ Isa-3000-4c-k9 Version -
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 2.16% 0.798
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 5.3 3.9 1.4
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
NIST 5 10 2.9
AV:N/AC:L/Au:N/C:N/I:P/A:N
Cisco PSIRT 5.8 3.9 1.4
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N
CWE-668 Exposure of Resource to Wrong Sphere

The product exposes a resource to the wrong control sphere, providing unintended actors with inappropriate access to the resource.

CWE-693 Protection Mechanism Failure

The product does not use or incorrectly uses a protection mechanism that provides sufficient defense against directed attacks against the product.

https://lists.debian.org/debian-lts-announce/2023/02/msg00011.html
https://www.debian.org/security/2023/dsa-5354
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-snort_filepolbypass-m4X5DgOP
Vendor Advisory