CVE-2026-40423 - Vulnerability Details - OpenCVE

When a SIP profile is configured on a virtual server, undisclosed traffic can cause the Traffic Management Microkernel (TMM) to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

No data.

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References

Link	Providers
https://my.f5.com/manage/s/article/K000161023

History

Wed, 13 May 2026 15:15:00 +0000

Type	Values Removed	Values Added
Description		When a SIP profile is configured on a virtual server, undisclosed traffic can cause the Traffic Management Microkernel (TMM) to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
Title		BIG-IP SIP profile vulnerability
Weaknesses		CWE-770
References		https://my.f5.com/manage/s/article/K000161023
Metrics		cvssV3_1 `{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}` cvssV4_0 `{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N'}`

MITRE

Status: PUBLISHED

Assigner: f5

Published: 2026-05-13T14:12:43.231Z

Updated: 2026-05-13T16:07:50.706Z

Reserved: 2026-04-30T23:04:27.944Z

Link: CVE-2026-40423

Vulnrichment

No data.

NVD

Status : Awaiting Analysis

Published: 2026-05-13T16:16:42.560

Modified: 2026-05-13T16:27:11.127

Link: CVE-2026-40423

Redhat

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OpenCVE Enrichment

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