VDB
CVE-2021-1495
CVE-2021-1495
PUBLISHED
CVSS 5.300000190734863 MEDIUM
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.
EPSS 1.73% · 77.2th percentile
Risk Scores
CVSS 3.1
5.300000190734863
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
EPSS Score
1.73%
77.2th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:20.04:LTS | snort | 2.9.7.0-5build1, 0 |
| Ubuntu:16.04:LTS | snort | 0, 2.9.7.0-5 |
| Ubuntu:14.04:LTS | snort | 2.9.6.0-0ubuntu1, 2.9.2.2-3, 2.9.5.3-3 |
| Ubuntu:18.04:LTS | snort | 2.9.7.0-5build1, 0, 2.9.7.0-5 |
| Ubuntu:22.04:LTS | snort | 0, 2.9.15.1-5, 2.9.15.1-6 |
Timeline
- Apr 28, 2021 CVE Published
- Apr 30, 2021 EPSS Score
- Jul 4, 2021 EPSS Score
- Sep 5, 2021 EPSS Score
- Jan 6, 2022 EPSS Score
- Jan 8, 2022 EPSS Score
- Feb 4, 2022 EPSS Score
- Mar 12, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- May 14, 2022 EPSS Score
- Sep 17, 2022 EPSS Score
- Nov 19, 2022 EPSS Score
References
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-http-fp-bp-KfDdcQhc third-party-advisory
- https://www.cve.org/CVERecord?id=CVE-2021-1495 third-party-advisory
- https://ubuntu.com/security/CVE-2021-1495 advisory