CVE-2009-4420 describes a buffer overflow vulnerability in the bd daemon of F5 Networks BIG-IP Application Security Manager (ASM) and Protocol Security Manager (PSM) across several versions. This flaw allows unauthenticated remote attackers to cause a denial of service by crashing the affected systems. With a CVSS score of 7.8 (High), it presents a significant availability risk due to its network-based attack vector and low attack complexity. While no public exploit code or active exploitation has been observed, and community discussion is minimal, organizations using the affected F5 products should prioritize patching to mitigate this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
10.0.0CPE matchmatch criteria | cpe:2.3:a:f5:big-ip_protocol_security_module:10.0.0:*:*:*:*:*:*:* | ||
9.4.4CPE matchmatch criteria | cpe:2.3:h:f5:big-ip_application_security_manager:9.4.4:*:*:*:*:*:*:* | ||
9.4.5CPE matchmatch criteria | cpe:2.3:h:f5:big-ip_application_security_manager:9.4.5:*:*:*:*:*:*:* | ||
9.4.6CPE matchmatch criteria | cpe:2.3:h:f5:big-ip_application_security_manager:9.4.6:*:*:*:*:*:*:* | ||
9.4.7CPE matchmatch criteria | cpe:2.3:h:f5:big-ip_application_security_manager:9.4.7:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:L/Au:N/C:N/I:N/A:C
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