CVE-2021-1495
Multiple Cisco Products Snort HTTP Detection Engine File Policy Bypass Vulnerability
- State
- Published
- Severity
- 5.8 Medium
- Published
- Apr 29, 2021
- Updated
- Nov 8, 2024
- Reserved
- Nov 13, 2020
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 handling of specific HTTP header parameters. 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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 5.8 Medium | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N | cisco |
Weaknesses
The record names no weakness.
Affected Products
| Product | Versions |
|---|---|
Cisco Firepower Threat Defense SoftwareCisco |
|
References
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