CVE-2020-5890

Severity: medium (CVSS 5.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2020-04-30 · updated 2026-06-17
Weakness: CWE-200

Description

On BIG-IP 15.0.0-15.0.1, 14.1.0-14.1.2.3, 13.1.0-13.1.3.3, and 12.1.0-12.1.5.1 and BIG-IQ 5.2.0-7.1.0, when creating a QKView, credentials for binding to LDAP servers used for remote authentication of the BIG-IP administrative interface will not fully obfuscate if they contain whitespace.

Affected products

F5 BIG-IP APM: from 12.1.0 through 12.1.5.1; from 13.1.0 through 13.1.3.3; from 14.0.0 before 14.1.2.4; from 15.0.0 before 15.1.0.2 — fixed in 14.1.2.4, 15.1.0.2
BIG-IP: from 12.1.0 through 12.1.5.1; from 13.1.0 through 13.1.3.3; from 14.0.0 before 14.1.2.4; from 15.0.0 before 15.1.0.2 — fixed in 14.1.2.4, 15.1.0.2
F5 Big-Ip Analytics: from 12.1.0 through 12.1.5.1; from 13.1.0 through 13.1.3.3; from 14.0.0 before 14.1.2.4; from 15.0.0 before 15.1.0.2 — fixed in 14.1.2.4, 15.1.0.2
F5 Networks, Inc. BIG-IP (AAM): from 12.1.0 through 12.1.5.1; from 13.1.0 through 13.1.3.3; from 14.0.0 before 14.1.2.4; from 15.0.0 before 15.1.0.2 — fixed in 14.1.2.4, 15.1.0.2
BIG-IP ASM: from 12.1.0 through 12.1.5.1; from 13.1.0 through 13.1.3.3; from 14.0.0 before 14.1.2.4; from 15.0.0 before 15.1.0.2 — fixed in 14.1.2.4, 15.1.0.2
F5 BIG-IP DNS: from 12.1.0 through 12.1.5.1; from 13.1.0 through 13.1.3.3; from 14.0.0 before 14.1.2.4; from 15.0.0 before 15.1.0.2 — fixed in 14.1.2.4, 15.1.0.2
F5 Big-Ip Fraud Protection Service: from 12.1.0 through 12.1.5.1; from 13.1.0 through 13.1.3.3; from 14.0.0 before 14.1.2.4; from 15.0.0 before 15.1.0.2 — fixed in 14.1.2.4, 15.1.0.2
F5 Big-Ip Global Traffic Manager: from 12.1.0 through 12.1.5.1; from 13.1.0 through 13.1.3.3; from 14.0.0 before 14.1.2.4; from 15.0.0 before 15.1.0.2 — fixed in 14.1.2.4, 15.1.0.2
F5 Big-Ip Link Controller: from 12.1.0 through 12.1.5.1; from 13.1.0 through 13.1.3.3; from 14.0.0 before 14.1.2.4; from 15.0.0 before 15.1.0.2 — fixed in 14.1.2.4, 15.1.0.2
F5 BIG-IP (LTM): from 12.1.0 through 12.1.5.1; from 13.1.0 through 13.1.3.3; from 14.0.0 before 14.1.2.4; from 15.0.0 before 15.1.0.2 — fixed in 14.1.2.4, 15.1.0.2
F5 Networks, Inc. BIG-IP (PEM): from 12.1.0 through 12.1.5.1; from 13.1.0 through 13.1.3.3; from 14.0.0 before 14.1.2.4; from 15.0.0 before 15.1.0.2 — fixed in 14.1.2.4, 15.1.0.2
F5 BIG-IQ: from 5.2.0 through 5.4.0; from 6.0.0 through 6.1.0; 7.0.0

How to fix

Upgrade to a fixed version: F5 BIG-IP APM 14.1.2.4, 15.1.0.2; BIG-IP 14.1.2.4, 15.1.0.2; F5 Big-Ip Analytics 14.1.2.4, 15.1.0.2; F5 Networks, Inc. BIG-IP (AAM) 14.1.2.4, 15.1.0.2; BIG-IP ASM 14.1.2.4, 15.1.0.2; F5 BIG-IP DNS 14.1.2.4, 15.1.0.2; F5 Big-Ip Fraud Protection Service 14.1.2.4, 15.1.0.2; F5 Big-Ip Global Traffic Manager 14.1.2.4, 15.1.0.2; F5 Big-Ip Link Controller 14.1.2.4, 15.1.0.2; F5 BIG-IP (LTM) 14.1.2.4, 15.1.0.2; F5 Networks, Inc. BIG-IP (PEM) 14.1.2.4, 15.1.0.2. Check the vendor advisory for mitigations.

References

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