CVE-2020-3315

Description

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.

Risk Information

Base Score
5.3
MODERATE
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
EPSS Score
Exploitation Probability
1.1

Associated Vulnerability

VulnerabilityOS Platform
snort security update(DSA-5354-1) snort_2.9.20-0+deb11u1_amd64.debLinux
snort security update(DSA-5354-1) snort_2.9.20-0+deb11u1_i386.debLinux
Multiple Cisco Products SNORT HTTP Detection Engine File Policy Bypass Vulnerability For Cisco 4000 Series Integrated Services RoutersNCM
Multiple Cisco Products SNORT HTTP Detection Engine File Policy Bypass Vulnerability For Cisco Firepower Threat Defense SoftwareNCM
Multiple Cisco Products Snort HTTP Detection Engine File Policy Bypass Vulnerability For Cisco Firepower Management CenterNCM
Multiple Cisco Products Snort HTTP Detection Engine File Policy Bypass Vulnerability For Cisco ASR 1000 Series Aggregation Services RoutersNCM
Multiple Cisco Products Snort HTTP Detection Engine File Policy Bypass Vulnerability For Cisco Cloud Services Router 1000V SeriesNCM
Multiple Cisco Products Snort HTTP Detection Engine File Policy Bypass Vulnerability For Cisco 1000 Series Integrated Services RoutersNCM
Exposure of Resource to Wrong Sphere Vulnerability (CVE-2020-3315)NCM

Patch Details

Click to see the patches provided by ManageEngine for this CVE
Patch IDPatch Description
PATCH-1705901Security Update for Cisco 4000 Series Integrated Services Routers Denali-16.3.4a
PATCH-1706067Security Update for Cisco Firepower Threat Defense Software Gibraltar-16.12.5
PATCH-1700780Security Update for Cisco Firepower Management Center 6.7.0
PATCH-1705898Security Update for Cisco ASR 1000 Series Aggregation Services Routers Denali-16.3.4a
PATCH-1705899Security Update for Cisco Cloud Services Router 1000V Series Denali-16.3.4a
PATCH-1705902Security Update for Cisco 1000 Series Integrated Services Routers Denali-16.3.4a

References

https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234