Search/CVE-2009-4420
● CVE

CVE-2009-4420

Vendorf5Productbig-ip application security manager, big-ip protocol security module, big-ip protocol security managerDiscoveredDec 24, 2009UpdatedApr 23, 2026

Buffer overflow in the bd daemon in F5 Networks BIG-IP Application Security Manager (ASM) 9.4.4 through 9.4.7 and 10.0.0 through 10.0.1, and Protocol Security Manager (PSM) 9.4.5 through 9.4.7 and 10.0.0 through 10.0.1, allows remote attackers to cause a denial of service (crash) via unknown vectors. NOTE: some of these details are obtained from third party information.

CVSS v3.1
—
EPSS
2.22%
probability of exploitation in 30 days
CISA KEV
Not listed
no confirmed exploitation reported
News coverage
0
sources referencing this CVE
Related IOCs
0
seen in the same coverage
Connections
4 relationships
Timeline
disclosure → media coverage
Dec 24, 2009
Disclosure — published as a CVE record. · last revised by NVD Apr 23, 2026