CVE-2020-5855
F5 BIG-IP Virtual Edition vulnerability analysis and mitigation

Overview

The vulnerability (CVE-2020-5855) affects the Windows Logon Integration feature in all versions of BIG-IP Edge Client for Windows. The vulnerability was discovered and assigned on January 6, 2020, and involves unauthorized access potential when the Windows Logon Integration feature is configured (CVE Mitre).

Technical details

The vulnerability exists in the Windows Logon Integration feature of BIG-IP Edge Client for Windows. When this feature is configured, it creates a security weakness that could allow unauthorized users with physical access to an authorized user's machine to gain shell access under unprivileged user conditions (CVE Mitre).

Impact

The impact of this vulnerability allows unauthorized users with physical access to an authorized user's machine to obtain shell access with unprivileged user permissions (CVE Mitre).

Mitigation and workarounds

F5 Networks has acknowledged the vulnerability and provided mitigation information through their support portal (F5 Support).

Additional resources


SourceThis report was generated using AI

Related F5 BIG-IP Virtual Edition vulnerabilities:

CVE ID

Severity

Score

Technologies

Component name

CISA KEV exploit

Has fix

Published date

CVE-2025-61990HIGH8.7
  • F5 BIG-IP Virtual EditionF5 BIG-IP Virtual Edition
  • cpe:2.3:a:f5:big-ip_domain_name_system
NoYesOct 15, 2025
CVE-2025-58071HIGH8.7
  • F5 BIG-IP Virtual EditionF5 BIG-IP Virtual Edition
  • cpe:2.3:a:f5:big-ip_access_policy_manager
NoYesOct 15, 2025
CVE-2025-61974HIGH8.7
  • F5 BIG-IP Virtual EditionF5 BIG-IP Virtual Edition
  • cpe:2.3:a:f5:big-ip_access_policy_manager
NoYesOct 15, 2025
CVE-2025-61951HIGH8.7
  • F5 BIG-IP Virtual EditionF5 BIG-IP Virtual Edition
  • cpe:2.3:a:f5:big-ip_local_traffic_manager
NoYesOct 15, 2025
CVE-2025-61958HIGH8.5
  • F5 BIG-IP Virtual EditionF5 BIG-IP Virtual Edition
  • cpe:2.3:a:f5:big-ip_access_policy_manager
NoYesOct 15, 2025

Free Vulnerability Assessment

Benchmark your Cloud Security Posture

Evaluate your cloud security practices across 9 security domains to benchmark your risk level and identify gaps in your defenses.

Request assessment

Get a personalized demo

Ready to see Wiz in action?

"Best User Experience I have ever seen, provides full visibility to cloud workloads."
David EstlickCISO
"Wiz provides a single pane of glass to see what is going on in our cloud environments."
Adam FletcherChief Security Officer
"We know that if Wiz identifies something as critical, it actually is."
Greg PoniatowskiHead of Threat and Vulnerability Management