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CVE-2020-3299

Multiple Cisco Products SNORT HTTP Detection Engine File Policy Bypass Vulnerability

Published: Oct 21, 2020Updated: Nov 21, 2024 Sources: CVE List NVD BDUCWE-693
NVD MITRE
5.8CVSSMEDIUM
EPSS Score
2.3%
Top 19.1%
CISA KEV
Not in KEV
Exploits
0 Known
Remediation
Patch Available

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.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:CC:NI:LA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:CScope
Changed
Impact
C:NConfidentiality
None
I:LIntegrity
Low
A:NAvailability
None
Open in CVSS calculator →

Weaknesses

CWE-693NVD-CWE-Other

Affected Products

Firepower Threat DefenseCisco Systems Inc.Networking Infrastructure
Cisco IOS XECisco Systems Inc.Networking Infrastructure
Cisco Meraki MXCisco Systems Inc.Networking Infrastructure
SnortCisco Systems Inc.Networking Infrastructure
Cisco IOS XE SD-WANCisco Systems Inc.Networking Infrastructure
cisco systems inc.commercialUSNetworking Infrastructureaka cisco systems, cisco
and 4 more affected products View all →

Exploitability

0 exploit sources identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available

References

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ftd-bypass-3eCfd24j
tools.cisco.com
https://поддержка.нппкт.рф/bin/view/ОСнова/Обновления/2.8/
xn--80ahaefyxhn.xn--j1afgaq.xn--p1ai
https://lists.debian.org/debian-lts-announce/2023/02/msg00011.html
lists.debian.org
and 1 more references View all →

Timeline

Published
Oct 21, 2020
Last Updated
Nov 21, 2024

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