CVE-2022-26890

HIGH

7.5

CVSS Score

Published: May 5, 2022 at 04:06 PM UTC

Updated: June 17, 2026 at 04:36 AM UTC

3 products affected across 1 vendorBig IP Access Policy ManagerBig IP Application Security ManagerBig IP Advanced Web Application Firewall

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Severity

HIGH7.5

Exploit prediction

EPSS 1.0%

Description

On F5 BIG-IP Advanced WAF, ASM, and APM 16.1.x versions prior to 16.1.2.1, 15.1.x versions prior to 15.1.5, 14.1.x versions prior to 14.1.4.6, and 13.1.x versions prior to 13.1.5, when ASM or Advanced WAF, as well as APM, are configured on a virtual server, the ASM policy is configured with Session Awareness, and the "Use APM Username and Session ID" option is enabled, undisclosed requests can cause the bd process to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Big IP Access Policy Manager · F5

95%

13.1.x ≤ v < 13.1.514.1.x ≤ v < 14.1.4.615.1.x ≤ v < 15.1.516.1.x ≤ v < 16.1.2.113.1.0 13.1.1 13.1.3 13.1.4 13.1.5 13.1.x 14.1.0 14.1.2 14.1.3 14.1.4 14.1.x 15.1.0 15.1.1 15.1.2 15.1.3 15.1.4 15.1.5 15.1.x 16.1.0 16.1.1 16.1.2 16.1.x

Vendor states this is fixed in 11.6.x (unaffected)

Vendor states this is fixed in 12.1.x (unaffected)

Affected range stops below 13.1.5, so it looks safe — our inference, not a vendor statement

Affected range stops below 14.1.4.6, so it looks safe — our inference, not a vendor statement

Affected range stops below 15.1.5, so it looks safe — our inference, not a vendor statement

Affected range stops below 16.1.2.1, so it looks safe — our inference, not a vendor statement

Vendor states this is fixed in 17.0.0 (unaffected)

Big IP Advanced Web Application Firewall · F5

95%

Vendor states this is fixed in 11.6.x (unaffected)

Vendor states this is fixed in 12.1.x (unaffected)

Affected range stops below 13.1.5, so it looks safe — our inference, not a vendor statement

Affected range stops below 14.1.4.6, so it looks safe — our inference, not a vendor statement

Affected range stops below 15.1.5, so it looks safe — our inference, not a vendor statement

Affected range stops below 16.1.2.1, so it looks safe — our inference, not a vendor statement

Vendor states this is fixed in 17.0.0 (unaffected)

Big IP Application Security Manager · F5

95%

Vendor states this is fixed in 11.6.x (unaffected)

Vendor states this is fixed in 12.1.x (unaffected)

Affected range stops below 13.1.5, so it looks safe — our inference, not a vendor statement

Affected range stops below 14.1.4.6, so it looks safe — our inference, not a vendor statement

Affected range stops below 15.1.5, so it looks safe — our inference, not a vendor statement

Affected range stops below 16.1.2.1, so it looks safe — our inference, not a vendor statement

Vendor states this is fixed in 17.0.0 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

https://support.f5.com/csp/article/K03442392

References (1)

x_refsource_MISCVendor Advisory

Source: [email protected]

https://support.f5.com/csp/article/K03442392

CVSS

7.5HIGHf5

Attack Vector: NETWORK
Complexity: LOW
Privileges: NONE
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: NONE
Integrity: NONE
Availability: HIGH

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-670

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