CVE-2021-34787 is a medium-severity vulnerability in Cisco Adaptive Security Appliance (ASA) and Firepower Threat Defense (FTD) Software, specifically affecting the identity-based firewall (IDFW) rule processing feature when configured with object group search. An unauthenticated, remote attacker can exploit this by sending a specially crafted network request, bypassing ACL rules and security protections to send traffic to unauthorized hosts. While the CVSS score is 5.3, 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 |
|---|---|---|---|
< 9.8.4.40CPE matchmatch criteria | cpe:2.3:a:cisco:adaptive_security_appliance:*:*:*:*:*:*:*:* | ||
< 6.4.0.13CPE matchmatch criteria | cpe:2.3:a:cisco:firepower_threat_defense:*:*:*:*:*:*:*:* | ||
>= 6.5.0, < 6.6.5CPE matchmatch criteria | cpe:2.3:a:cisco:firepower_threat_defense:*:*:*:*:*:*:*:* | ||
>= 6.7.0, < 6.7.0.3CPE matchmatch criteria | cpe:2.3:a:cisco:firepower_threat_defense:*:*:*:*:*:*:*:* | ||
>= 7.0.0, < 7.0.1CPE matchmatch criteria | cpe:2.3:a:cisco:firepower_threat_defense:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/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.