CVE-2022-41806

BIG-IP AFM NAT64 Policy Vulnerability CVE-2022-41806

HIGH

7.5

CVSS Score

Published: October 19, 2022 at 09:22 PM UTC

Updated: June 17, 2026 at 05:03 AM UTC

1 product affected across 1 vendorBig IP Advanced Firewall Manager

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Severity

HIGH7.5

Exploit prediction

EPSS 0.7%

SSVC

No known exploit

Description

In versions 16.1.x before 16.1.3.2 and 15.1.x before 15.1.5.1, when BIG-IP AFM Network Address Translation policy with IPv6/IPv4 translation rules is configured on a virtual server, undisclosed requests can cause an increase in memory resource utilization.

Affected

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

Big IP Advanced Firewall Manager · F5

95%

15.1.0 ≤ v < 15.1.5.115.1.x ≤ v < 15.1.5.116.1.0 ≤ v < 16.1.3.216.1.x ≤ v < 16.1.3.215.1.x 16.1.x

Vendor states this is fixed in 13.1.0 (unaffected)

Vendor states this is fixed in 14.1.0 (unaffected)

Affected range stops below 15.1.5.1, so it looks safe — our inference, not a vendor statement

Affected range stops below 16.1.3.2, 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/K00721320

References (1)

MitigationVendor Advisory

Source: [email protected]

https://support.f5.com/csp/article/K00721320

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

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-400

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