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CVE-2020-5906In versions 13.1.0-13.1.3.3, 12.1.0-12.1.5.2, and 11.6.1-11.6.5.2, the BIG-IP system does not properly enforce the access controls for the…
- 8.1HighCVSS base score
- 1.2%Exploitation in 30 daysEPSS · top 32% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
In versions 13.1.0-13.1.3.3, 12.1.0-12.1.5.2, and 11.6.1-11.6.5.2, the BIG-IP system does not properly enforce the access controls for the scp.blacklist files. This allows Admin and Resource Admin users with Secure Copy (SCP) protocol access to read and overwrite blacklisted files via SCP.
Timeline
ID reserved
By f5
- 6 months later
· 6 months later
Published
- 4 years later
· 4 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | High8.1 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N |
- EPSS (exploitation in 30 days)
- 1.2% · top 32% of all CVEs (12 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.1.
Affected products
BIG-IP
- affected 13.1.0-13.1.3.3, 12.1.0-12.1.5.2, 11.6.1-11.6.5.2
References
References2
- https://support.f5.com/csp/article/K82518062 (opens in a new tab)x_refsource_MISCx_transferred
- VU#290915 (opens in a new tab)third-party-advisoryx_refsource_CERT-VNx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2020-27060 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2020-5906)Record last updated .