CVE-2009-4420

highpriority · track · 32EPSS 0.022 · 83 %ileEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

2.22% (83rd) EPSS

CVSS 7.8 · high

Is it mine?

12 products

Check your exposure

Who says so?

2 sources

enisa_euvd · nvd

EPSS · scored 2026-10-28

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

Technical severity, 0–10. One row per scoring source.

7.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.6–7.8

v2.07.8highAV:N/AC:L/Au:N/C:N/I:N/A:Cprimary · NVD / NIST USexploitability 10 · impact 6.9

v2.06.6mediumAV:N/AC:L/Au:N/C:N/I:N/A:C/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-119USprimary

affected products (12)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
f5 big-ip application security manager= 10.0.0nvdUScpe:2.3:h:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:*
f5 big-ip application security manager= 10.0.1nvdUScpe:2.3:h:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:*
f5 big-ip application security manager= 9.4.4nvdUScpe:2.3:h:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:*
f5 big-ip application security manager= 9.4.5nvdUScpe:2.3:h:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:*
f5 big-ip application security manager= 9.4.6nvdUScpe:2.3:h:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:*
f5 big-ip application security manager= 9.4.7nvdUScpe:2.3:h:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:*
f5 big-ip protocol security manager= 10.0.1nvdUScpe:2.3:h:f5:big-ip_protocol_security_manager:*:*:*:*:*:*:*:*
f5 big-ip protocol security manager= 9.4.5nvdUScpe:2.3:h:f5:big-ip_protocol_security_manager:*:*:*:*:*:*:*:*
f5 big-ip protocol security manager= 9.4.6nvdUScpe:2.3:h:f5:big-ip_protocol_security_manager:*:*:*:*:*:*:*:*
f5 big-ip protocol security manager= 9.4.7nvdUScpe:2.3:h:f5:big-ip_protocol_security_manager:*:*:*:*:*:*:*:*
f5 big-ip protocol security module= 10.0.0nvdUScpe:2.3:a:f5:big-ip_protocol_security_module:*:*:*:*:*:*:*:*

also known as (2)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

enisa_euvd nvd NVD CVE.org MITRE

published 2009-12-24modified 2026-06-16

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+21039 more

references (14)

External citations — patches, advisories, analysis.

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