CVE-2020-5893
mediumpriority · track · 15OT risk · elevatedEPSS 0.006 · 47 %ileEUUSEPSS · scored 2026-10-28
In versions 7.1.5-7.1.8, when a user connects to a VPN using BIG-IP Edge Client over an unsecure network, BIG-IP Edge Client responds to authentication requests over HTTP while sending probes for captive portal detection.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 3.4–4.3
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (7)
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 access policy manager14.0.0 → 14.1.2nvdUScpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:*
- f5 big-ip access policy manager15.0.0 → 15.1.0nvdUScpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:*
- f5 big-ip access policy manager client7.1.5 → 7.1.9nvdUScpe:2.3:a:f5:big-ip_access_policy_manager_client:*:*:*:*:*:*:*:*
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (7)
External citations — patches, advisories, analysis.
- https://nvd.nist.gov/vuln/detail/CVE-2020-5893cnnvd
- https://support.f5.com/csp/article/K97733133cnnvd
- https://vigilance.fr/vulnerability/F5-BIG-IP-APM-Edge-Client-information-disclosure-via-Unencrypted-Authentication-Requests-34915cnnvd
- https://www.auscert.org.au/bulletins/ESB-2020.1550.2/cnnvd
- https://www.auscert.org.au/bulletins/ESB-2020.1550/cnnvd
- https://support.f5.com/csp/article/K97733133enisa_euvd
- https://support.f5.com/csp/article/K97733133Vendor Advisorynvd
Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.
Free scan