CVE-2023-41253 - CVE House
Back to Database
Status published Medium CVE-2023-41253

BIG-IP DNS TSIG Key vulnerability

Vulnerability Description

When on BIG-IP DNS or BIG-IP LTM enabled with DNS Services License, and a TSIG key is created, it is logged in plaintext in the audit log.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

THREAT MONITOR

Am I Vulnerable?

Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2023-41253

Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • F5

References

More from F5

View All →
CVE-2025-61990
TMM vulnerability
High 8.7
CVE-2025-61974
BIG-IP SSL/TLS vulnerability
High 8.7
CVE-2025-61960
BIG-IP APM portal access vulnerability
High 8.7
CVE-2025-61958
BIG-IP TMSH vulnerability
High 8.5
CVE-2025-61955
F5OS vulnerability
High 8.5

Affected Vendor

Affected Software

BIG-IP
Vulnerable Versions:
17.1.0, 16.1.0, 15.1.0, 14.1.0, 13.1.0

Timeline

Official Publish: October 10th, 2023
Last Modified: September 18th, 2024
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Weaknesses (CWE)

CWE-532

MITRE ATT&CK TTPs

T1005 Data from Local System
Collection
T1552 Unsecured Credentials
Credential Access
T1555 Credentials from Password Stores
Credential Access
T1078 Valid Accounts
Persistence
T1562 Impair Defenses
Defense Evasion