VDB
CVE-2021-1223
CVE-2021-1223
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 an HTTP range header. An attacker could exploit this vulnerability by sending crafted HTTP packets through an affected device. A successful exploit could allow the attacker to bypass configured file policy for HTTP packets and deliver a malicious payload.
EPSS 0.55% · 68.5th percentile
Risk Scores
EPSS Score
0.55%
68.5th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:18.04:LTS | snort | 2.9.7.0-5build1, 2.9.7.0-5, 0 |
| Ubuntu:20.04:LTS | snort | 0, 2.9.7.0-5build1 |
| Ubuntu:22.04:LTS | snort | 0, 2.9.15.1-6, 2.9.15.1-6build1 |
| Ubuntu:14.04:LTS | snort | 2.9.5.3-3, 2.9.2.2-3, 2.9.6.0-0ubuntu1 |
| Ubuntu:16.04:LTS | snort | 0, 2.9.7.0-5 |
Exploit Intelligence
Timeline
- Jan 13, 2021 CVE Published
- Apr 14, 2021 EPSS Score
- Jun 23, 2021 EPSS Score
- Aug 24, 2021 EPSS Score
- Dec 27, 2021 EPSS Score
- Jan 6, 2022 EPSS Score
- Feb 4, 2022 EPSS Score
- Feb 28, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- May 1, 2022 EPSS Score
- Sep 4, 2022 EPSS Score
- Nov 6, 2022 EPSS Score
References
- https://ubuntu.com/security/CVE-2021-1223 third-party-advisory
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-snort-filepolbypass-67DEwMe2 third-party-advisory
- https://www.cve.org/CVERecord?id=CVE-2021-1223 third-party-advisory