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CVE-2023-41253

BIG-IP DNS TSIG Key vulnerability

Medium5.5EPSS 0.18%
Published
Updated
Reserved
Assigned by
f5

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.

Scores

CVSS scores of CVE-2023-41253, by who scored it
Scored byCVSSScoreVector
f5CNA (assigner)3.1Medium5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
NVDNVD · Modified3.1Medium5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
EPSS (exploitation in 30 days)
0.18% · top 92% of all CVEs (6 Nov 2026)
CISA SSVC
Exploitation: none · Automatable: no · Technical impact: partial
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.5.

Weakness

Affected products

  • F5 · BIG-IP

    • unaffected 17.1.0 – < *
    • affected 16.1.0 – < 16.1.4
    • affected 15.1.0 – < 15.1.9
    • affected 14.1.0 – < *
    • affected 13.1.0 – < *

References (1)

Sources

The same CVE in the primary databases and aggregators, to check against.

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Record last updated .