CVE-2020-3299

Description

Multiple Cisco products are affected by a vulnerability in the Snort detection engine that could allow an unauthenticated, remote attacker to bypass a configured File Policy for HTTP. The vulnerability is due to incorrect detection of modified HTTP packets used in chunked responses. An attacker could exploit this vulnerability by sending crafted HTTP packets through an affected device. A successful exploit could allow the attacker to bypass a configured File Policy for HTTP packets and deliver a malicious payload.

Risk Information

Base Score
5.8
MODERATE
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/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
CVE-2020-3299NCM

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

References

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