CVE-2023-41253
BIG-IP DNS TSIG Key vulnerability
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.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
5.5
BIG-IP DNS TSIG Key vulnerability
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.
- Record
CVE-2023-41253- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-532
- Updated
- 2026-11-02
EUVDEUVD-2023-45770
5.5
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.
- Record
EUVD-2023-45770- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-85q5-vwqg-rm58
5.5
When on BIG-IP DNS or BIG-IP LTM enabled with DNS Services License, and a TSIG key is created,...
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.
- Record
GHSA-85q5-vwqg-rm58- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-532
- Updated
- 2026-11-02
NVD
5.5
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.
- Record
CVE-2023-41253- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-532
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-41253 is a medium vulnerability (CVSS 5.5) in F5 Big-ip, published October 10, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.18%, the 8th percentile. No source names a fixed version.