CVE-2022-41691Network attack vector

Process crash via invalid-pointer release in bd

Published Oct 19, 2022 · Updated May 8, 2025

Invalid-pointer release in F5 BIG-IP Advanced WAF 14.1.x before 14.1.5.2 allows remote attackers to crash the bd process. The bd process releases an invalid pointer or reference while handling undisclosed request content and then terminates. Exploitation requires an Advanced WAF or ASM security policy on a virtual server and interrupts availability without reported data disclosure or modification.

CVSS severity7.5
High
EPSS probability0.66%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Invalid-pointer release in F5 BIG-IP Advanced WAF 14.1.x before 14.1.5.2 allows remote attackers to crash the bd process. The bd process releases an invalid pointer or reference while handling undisclosed request content and then terminates. Exploitation requires an Advanced WAF or ASM security policy on a virtual server and interrupts availability without reported data disclosure or modification.

The record

CVE
CVE-2022-41691
Published
Oct 19, 2022
Updated
May 8, 2025
Vendor
F5 Networks
Product
BIG-IP Advanced WAF
Classifications
CWE-763, T1499.004
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Oct 19, 2022CVE publishedPublication date reported by the CVE source.
  2. May 8, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=14.1.x <14.1.5.2

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

F5 Networks · BIG-IP Advanced WAFversion=14.1.x <14.1.5.2

Published CVSS scores

7.5F5 NetworksCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-763Release of Invalid Pointer or Reference
T1499.004Endpoint Denial of Service: Application or System Exploitation

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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