VDB
CVE-2021-1223
CVE-2021-1223
PUBLISHED
CVSS 5.800000190734863 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 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 2.03% · 80.8th percentile
Risk Scores
CVSS 3.0
5.800000190734863
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N
EPSS Score
2.03%
80.8th 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 |
Timeline
- Jan 13, 2021 CVE Published
- Apr 14, 2021 EPSS Score
- Jun 23, 2021 EPSS Score
- Aug 25, 2021 EPSS Score
- Dec 30, 2021 EPSS Score
- Jan 6, 2022 EPSS Score
- Feb 4, 2022 EPSS Score
- Mar 3, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- Jul 7, 2022 EPSS Score
- Sep 9, 2022 EPSS Score
- Nov 11, 2022 EPSS Score
References
- https://ubuntu.com/security/CVE-2021-1223 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