CVE-2024-21849 | BDVDB-2026-224665 Detail

F5BIG-IP

Description#

When an Advanced WAF/ASM security policy and a Websockets profile are configured on a virtual server, undisclosed traffic can cause the Traffic Management Microkernel (TMM) process to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Impact#

Per CVSS v3.1: confidentiality impact none, integrity impact none, availability impact high. Attack vector: network.

Weaknesses#

CWE-466 Return of Pointer Value Outside of Expected Range

References#

https://my.f5.com/manage/s/article/K000135873

Exploit#

No public exploit known

History#

Version 12024-02-14Record published in the CVE List.
Version 22024-08-01Most recent update recorded in the CVE List.

Published

Published: 2024-02-14
Last modified: 2024-08-01

Vendor information

Vendor: F5
Product: BIG-IP

All F5 vulnerabilities

Score

7.5 High

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 44.2.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Not classified

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
Not stated
Fixed
17.1.0
Vulnerable
>= 16.1.0 and < 16.1.4
Fixed
16.1.4
Vulnerable
Not stated
Fixed
15.1.0

Scoring System

CVSS v4.0

Not available

CVSS v3.1

7.5 High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Privileges Required	None
User Interaction	None
Scope	Unchanged
Confidentiality	None
Integrity	None
Availability	High

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).