CVE-2026-40060

When a BIG-IP Advanced WAF or ASM security policy is configured on a virtual server, undisclosed requests can cause the bd process to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://my.f5.com/manage/s/article/K000160727	Mitigation Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:f5:big-ip_application_security_manager::::::::
	cpe:2.3:a:f5:big-ip_application_security_manager::::::::
	cpe:2.3:a:f5:big-ip_application_security_manager::::::::
	cpe:2.3:a:f5:big-ip_application_security_manager:21.0.0:::::::*

Configuration 2 (hide)

OR	cpe:2.3:a:f5:big-ip_advanced_web_application_firewall::::::::
	cpe:2.3:a:f5:big-ip_advanced_web_application_firewall::::::::
	cpe:2.3:a:f5:big-ip_advanced_web_application_firewall::::::::
	cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:21.0.0:::::::*

History

29 Jun 2026, 14:15

Type	Values Removed	Values Added
First Time		F5 big-ip Application Security Manager F5 big-ip Advanced Web Application Firewall F5
CPE		cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:21.0.0:::::::* cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:::::::: cpe:2.3:a:f5:big-ip_application_security_manager:21.0.0:::::::* cpe:2.3:a:f5:big-ip_application_security_manager::::::::
References	~~() https://my.f5.com/manage/s/article/K000160727 -~~	() https://my.f5.com/manage/s/article/K000160727 - Mitigation, Vendor Advisory

13 May 2026, 16:27

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-05-13 16:16

Updated : 2026-06-29 14:15

NVD link : CVE-2026-40060

Mitre link : CVE-2026-40060

CVE.ORG link : CVE-2026-40060

JSON object : View

Products Affected

f5

big-ip_advanced_web_application_firewall
big-ip_application_security_manager

CWE

CWE-252

Unchecked Return Value

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"Automatable": "NOT_DEFINED", "attackVector": "NETWORK", "baseSeverity": "HIGH", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "NONE", "integrityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "availabilityRequirement": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "NONE", "confidentialityRequirement": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED"}}]}, "affected": [{"source": "f5sirt@f5.com", "affectedData": [{"vendor": "F5", "modules": ["Advanced WAF"], "product": "BIG-IP", "versions": [{"status": "unaffected", "version": "21.1.0", "lessThan": "*", "versionType": "custom"}, {"status": "affected", "version": "21.0.0", "lessThan": "21.0.0.1", "versionType": "custom"}, {"status": "affected", "version": "17.5.0", "lessThan": "17.5.1.4", "versionType": "custom"}, {"status": "affected", "version": "17.1.0", "lessThan": "17.1.3.1", "versionType": "custom"}, {"status": "affected", "version": "16.1.0", "lessThan": "*", "versionType": "custom"}], "defaultStatus": 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"cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "59042348-3748-48E0-B78B-D978C6B241B2", "versionEndIncluding": "17.1.3", "versionStartIncluding": "17.1.0"}, {"criteria": "cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "5082DEBB-5C7F-41A2-B48F-0C72C3A6782B", "versionEndIncluding": "17.5.1", "versionStartIncluding": "17.5.0"}, {"criteria": "cpe:2.3:a:f5:big-ip_application_security_manager:21.0.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E8F401DC-AEE8-4DA1-8D54-51086557F0CC"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "920FA89D-E154-4936-B88E-8B60D5B39B40", "versionEndIncluding": "16.1.6", "versionStartIncluding": "16.1.0"}, {"criteria": "cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:*:*:*:*:*:*:*:*", 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