CVE-2021-1236 describes a medium-severity vulnerability in the Snort application detection engine affecting multiple Cisco products. This flaw allows an unauthenticated, remote attacker to bypass security policies by sending crafted packets, potentially delivering malicious payloads to protected networks. The vulnerability has a CVSS score of 5.3, indicating low attack complexity and no user interaction required. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 17.4.1CPE matchmatch criteria | cpe:2.3:o:cisco:ios_xe:*:*:*:*:*:*:*:* | ||
< 6.5.0.5CPE matchmatch criteria | cpe:2.3:a:cisco:firepower_threat_defense:*:*:*:*:*:*:*:* | ||
2.9.14.0CPE matchmatch criteria | cpe:2.3:a:cisco:secure_firewall_management_center:2.9.14.0:*:*:*:*:*:*:* | ||
2.9.14.14CPE matchmatch criteria | cpe:2.3:a:cisco:secure_firewall_management_center:2.9.14.14:*:*:*:*:*:*:* | ||
2.9.15CPE matchmatch criteria | cpe:2.3:a:cisco:secure_firewall_management_center:2.9.15:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.