CVEvulnerability
CVE-2020-3299
5.8 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2020-10-21
- Last modified
- 2026-08-11
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 5.8 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N
- CVSS 3.0 ([email protected])
- 5.8 MEDIUM — CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N
- CVSS 2.0 ([email protected])
- 5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:P/A:N
- Weaknesses
- CWE-693
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.
Affected configurations
• cisco secure firewall threat defense (>= 6.0.0 < 6.3.0.1)
• snort snort (< 2.9.13.1)
Related
Weakness · CWE (1)
- CWE-693 Protection Mechanism Failure weakness
References
- https://lists.debian.org/debian-lts-announce/2023/02/msg00011.html lists.debian.org
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ftd-bypass-3eCfd24j Vendor Advisory
- https://www.debian.org/security/2023/dsa-5354 www.debian.org
- https://lists.debian.org/debian-lts-announce/2023/02/msg00011.html lists.debian.org
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ftd-bypass-3eCfd24j Vendor Advisory
- https://www.debian.org/security/2023/dsa-5354 www.debian.org