Spoofing attack in Moodle - CVE-2020-1755
Published: March 17, 2020
Vulnerability identifier: #VU26118
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-1755
CWE-ID: CWE-451
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform spoofing attack.
The vulnerability exists due to incorrect processing of user-supplied data. A remote attacker can use X-Forwarded-For headers to spoof a user's IP and bypass remote address checks.
Affected software
Moodle
How to mitigate CVE-2020-1755
Install updates from vendor's website.
Moodle - addressed in versions 3.5.11, 3.6.9, 3.7.5, 3.8.2