CVE-2009-4420

Severity: high (CVSS 7.8 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2009-12-24 · updated 2026-06-16
Weakness: CWE-119

Description

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.

Affected products

BIG-IP ASM: 9.4.4, 9.4.5, 9.4.6, 9.4.7, 10.0.0, 10.0.1
F5 Big-Ip Protocol Security Manager: 9.4.5, 9.4.6, 9.4.7, 10.0.1
F5 Big-Ip Protocol Security Module: 10.0.0

References

http://osvdb.org/61297
http://secunia.com/advisories/37805
http://www.securityfocus.com/bid/37452
http://www.securitytracker.com/id?1023386
http://www.vupen.com/english/advisories/2009/3627
https://exchange.xforce.ibmcloud.com/vulnerabilities/55005
https://support.f5.com/kb/en-us/solutions/public/10000/400/sol10417.html
http://osvdb.org/61297
http://secunia.com/advisories/37805
http://www.securityfocus.com/bid/37452
http://www.securitytracker.com/id?1023386
http://www.vupen.com/english/advisories/2009/3627

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