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CVE-2022-23021

HIGH
7.5
CVSS Score
Published: January 25, 2022 at 07:11 PM UTC
Updated: June 17, 2026 at 04:29 AM UTC
12 products affected across 1 vendorBig IP Access Policy ManagerBig IP Application Security ManagerBig IP Advanced Firewall Manager

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Severity
HIGH7.5
Exploit prediction
EPSS 0.9%

Description

On BIG-IP version 16.1.x before 16.1.2, when any of the following configurations are configured on a virtual server, undisclosed requests can cause the Traffic Management Microkernel (TMM) to terminate: HTTP redirect rule in an LTM policy, BIG-IP APM Access Profile, and Explicit HTTP Proxy in HTTP Profile. 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%
16.1.0 ≤ v < 16.1.2
Affected range stops below 16.1.2, so it looks safe — our inference, not a vendor statement
Big IP Advanced Firewall Manager· F5
95%
16.1.0 ≤ v < 16.1.2
Affected range stops below 16.1.2, so it looks safe — our inference, not a vendor statement
Big IP Analytics· F5
95%
16.1.0 ≤ v < 16.1.2
Affected range stops below 16.1.2, so it looks safe — our inference, not a vendor statement
Big IP Application Acceleration Manager· F5
95%
16.1.0 ≤ v < 16.1.2
Affected range stops below 16.1.2, so it looks safe — our inference, not a vendor statement
Big IP Application Security Manager· F5
95%
16.1.0 ≤ v < 16.1.2
Affected range stops below 16.1.2, so it looks safe — our inference, not a vendor statement
Big IP Domain Name System· F5
95%
16.1.0 ≤ v < 16.1.2
Affected range stops below 16.1.2, so it looks safe — our inference, not a vendor statement
Big IP Fraud Protection Service· F5
95%
16.1.0 ≤ v < 16.1.2
Affected range stops below 16.1.2, so it looks safe — our inference, not a vendor statement
Big IP Global Traffic Manager· F5
95%
16.1.0 ≤ v < 16.1.2
Affected range stops below 16.1.2, so it looks safe — our inference, not a vendor statement
Big IP Link Controller· F5
95%
16.1.0 ≤ v < 16.1.2
Affected range stops below 16.1.2, so it looks safe — our inference, not a vendor statement
Big IP Local Traffic Manager· F5
95%
16.1.0 ≤ v < 16.1.2
Affected range stops below 16.1.2, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

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

Patch and advisory references

References (1)

x_refsource_MISCVendor Advisory
Source: [email protected]
https://support.f5.com/csp/article/K57111075

CVSS

7.5HIGH[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-476

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