CVE-2009-4921 is a denial-of-service vulnerability affecting Cisco ASA 5580 series devices running software prior to version 8.1(2). Remote attackers can trigger a traceback by sending malformed TCP packets, leading to a complete loss of availability. With a CVSS score of 7.8, this vulnerability is considered high severity due to its network-based attack vector, low complexity, and critical impact on availability. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 8.1\(1\)CPE matchmatch criteria | cpe:2.3:h:cisco:asa_5580:*:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:L/Au:N/C:N/I:N/A:C
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.