CVE-2020-5906
mediumpriority · track · 32OT risk · elevatedEPSS 0.012 · 68 %ileEUUSEPSS · scored 2026-10-27
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5.5–8.1
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (34)
Products and version ranges known to be affected.
- f5 big-ip access policy manager11.6.1 → 11.6.5nvdUScpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:*
- f5 big-ip access policy manager12.1.0 → 12.1.5nvdUScpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:*
- f5 big-ip access policy manager13.1.0 → 13.1.3nvdUScpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:*
- f5 big-ip advanced firewall manager11.6.1 → 11.6.5nvdUScpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:*
- f5 big-ip advanced firewall manager12.1.0 → 12.1.5nvdUScpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:*
- f5 big-ip advanced firewall manager13.1.0 → 13.1.3nvdUScpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:*
- f5 big-ip application acceleration manager11.6.1 → 11.6.5nvdUScpe:2.3:a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:*
- f5 big-ip application acceleration manager12.1.0 → 12.1.5nvdUScpe:2.3:a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:*
- f5 big-ip application acceleration manager13.1.0 → 13.1.3nvdUScpe:2.3:a:f5:big-ip_application_acceleration_manager:*:*:*:*:*:*:*:*
- f5 big-ip application security manager11.6.1 → 11.6.5nvdUScpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:*
- f5 big-ip application security manager12.1.0 → 12.1.5nvdUScpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:*
- f5 big-ip application security manager13.1.0 → 13.1.3nvdUScpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:*
- f5 big-ip domain name system11.6.1 → 11.6.5nvdUScpe:2.3:a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:*
- f5 big-ip domain name system12.1.0 → 12.1.5nvdUScpe:2.3:a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:*
- f5 big-ip domain name system13.1.0 → 13.1.3nvdUScpe:2.3:a:f5:big-ip_domain_name_system:*:*:*:*:*:*:*:*
- f5 big-ip fraud protection service11.6.1 → 11.6.5nvdUScpe:2.3:a:f5:big-ip_fraud_protection_service:*:*:*:*:*:*:*:*
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (15)
External citations — patches, advisories, analysis.
- http://www.nsfocus.net/vulndb/47468cnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2020-5906cnnvd
- https://support.f5.com/csp/article/K82518062cnnvd
- https://vigilance.fr/vulnerability/F5-BIG-IP-read-write-access-via-SCP-Blacklist-Bypass-32663cnnvd
- https://www.auscert.org.au/bulletins/ESB-2020.2260.2/cnnvd
- https://www.auscert.org.au/bulletins/ESB-2020.2260.3/cnnvd
- https://www.auscert.org.au/bulletins/ESB-2020.2260.5/cnnvd
- https://www.auscert.org.au/bulletins/ESB-2020.2260.6/cnnvd
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