CVE-2026-42780

BIG-IP SSL Orchestrator vulnerability

State: Published
Severity: 6.9 Medium
Published: May 13, 2026
Updated: May 13, 2026
Reserved: Apr 30, 2026

Description

A directory traversal vulnerability exists in BIG-IP SSL Orchestrator that allows an authenticated attacker with high privilege to overwrite, delete or corrupt arbitrary local files. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Scores

CVSS	Score	Vector	Source
4.0	6.9 Medium	CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N	f5
3.1	4.9 Medium	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N	f5

Weaknesses

CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Affected Products

Product	Versions
BIG-IPF5	21.1.0 and laterNot affected 21.0.0 to before 21.0.0.1Affected 17.5.0 to before 17.5.1.5Affected 17.1.0 to before 17.1.3.1Affected 16.1.0 and laterAffected
SSL OrchestratorF5	14.0 and laterNot affected 13.0 to before 13.1.3Affected 12.0 to before 12.3.2Affected 11.0 to before 11.4.1Affected

References

https://my.f5.com/manage/s/article/K000149743vendor-advisorypatch

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