high
8.1
CWE
276
Advisory Published
Updated

CVE-2020-5906

First published: Wed Jul 01 2020(Updated: )

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.

Credit: f5sirt@f5.com

Affected SoftwareAffected VersionHow to fix
F5 Access Policy Manager>=11.6.1<=11.6.5
F5 Access Policy Manager>=12.1.0<=12.1.5
F5 Access Policy Manager>=13.1.0<=13.1.3
F5 BIG-IP Advanced Firewall Manager>=11.6.1<=11.6.5
F5 BIG-IP Advanced Firewall Manager>=12.1.0<=12.1.5
F5 BIG-IP Advanced Firewall Manager>=13.1.0<=13.1.3
F5 BIG-IP Analytics>=11.6.1<=11.6.5
F5 BIG-IP Analytics>=12.1.0<=12.1.5
F5 BIG-IP Analytics>=13.1.0<=13.1.3
F5 BIG-IP Application Acceleration Manager>=11.6.1<=11.6.5
F5 BIG-IP Application Acceleration Manager>=12.1.0<=12.1.5
F5 BIG-IP Application Acceleration Manager>=13.1.0<=13.1.3
F5 Application Security Manager>=11.6.1<=11.6.5
F5 Application Security Manager>=12.1.0<=12.1.5
F5 Application Security Manager>=13.1.0<=13.1.3
F5 BIG-IP>=11.6.1<=11.6.5
F5 BIG-IP>=12.1.0<=12.1.5
F5 BIG-IP>=13.1.0<=13.1.3
F5 BIG-IP Fraud Protection Service>=11.6.1<=11.6.5
F5 BIG-IP Fraud Protection Service>=12.1.0<=12.1.5
F5 BIG-IP Fraud Protection Service>=13.1.0<=13.1.3
Riverbed SteelApp Traffic Manager>=11.6.1<=11.6.5
Riverbed SteelApp Traffic Manager>=12.1.0<=12.1.5
Riverbed SteelApp Traffic Manager>=13.1.0<=13.1.3
F5 BIG-IP Link Controller>=11.6.1<=11.6.5
F5 BIG-IP Link Controller>=12.1.0<=12.1.5
F5 BIG-IP Link Controller>=13.1.0<=13.1.3
Riverbed SteelApp Traffic Manager>=11.6.1<=11.6.5
Riverbed SteelApp Traffic Manager>=12.1.0<=12.1.5
Riverbed SteelApp Traffic Manager>=13.1.0<=13.1.3
F5 BIG-IP Policy Enforcement Manager>=11.6.1<=11.6.5
F5 BIG-IP Policy Enforcement Manager>=12.1.0<=12.1.5
F5 BIG-IP Policy Enforcement Manager>=13.1.0<=13.1.3

Never miss a vulnerability like this again

Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.

Read MoreStart Free Trial

Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2020-5906?

    CVE-2020-5906 is considered a high-severity vulnerability due to its potential to allow unauthorized access to sensitive files.

  • How do I fix CVE-2020-5906?

    To mitigate CVE-2020-5906, upgrade to the latest versions of BIG-IP systems as specified in the security advisory by F5 Networks.

  • Who is affected by CVE-2020-5906?

    CVE-2020-5906 affects users of F5 BIG-IP systems, specifically those running versions 11.6.1 to 11.6.5.2, 12.1.0 to 12.1.5.2, and 13.1.0 to 13.1.3.3.

  • What can happen if CVE-2020-5906 is exploited?

    If exploited, CVE-2020-5906 can allow Admin and Resource Admin users with SCP access to read and overwrite blacklisted files.

  • Is there a workaround for CVE-2020-5906 if an upgrade cannot be done immediately?

    Currently, there are no publicly documented workarounds for CVE-2020-5906, so immediate upgrading is recommended.

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2025 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203