#VU27516 Missing Encryption of Sensitive Data in BIG-IP ASM - CVE-2020-5879
Published: May 5, 2020
Vulnerability identifier: #VU27516
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2020-5879
CWE-ID: CWE-311
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
BIG-IP ASM
BIG-IP ASM
Software vendor:
F5 Networks
F5 Networks
Description
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to the BIG-IP system, under certain configurations, sends data plane traffic to back-end servers unencrypted, even when a Server SSL profile is applied. A remote attacker can gain unauthorized access to sensitive information on the system.
The requests affected by this vulnerability are processed by a virtual server associated with a DoS profile that has a CAPTCHA challenge configured.
Remediation
Install updates from vendor's website.