VDB
CVE-2021-1495
CVE-2021-1495
PUBLISHED
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 0.23% · 46.6th percentile
Risk Scores
EPSS Score
0.23%
46.6th 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 |
Exploit Intelligence
Timeline
- Apr 28, 2021 CVE Published
- Apr 30, 2021 EPSS Score
- Jul 3, 2021 EPSS Score
- Sep 3, 2021 EPSS Score
- Nov 5, 2021 EPSS Score
- Jan 6, 2022 EPSS Score
- Mar 9, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- May 10, 2022 EPSS Score
- Jul 11, 2022 EPSS Score
- Sep 12, 2022 EPSS Score
- Nov 14, 2022 EPSS Score
References
- https://ubuntu.com/security/CVE-2021-1495 third-party-advisory
- 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