Improper Authentication in Instant Messaging Security - CVE-2021-31520
Published: May 6, 2021
Vulnerability identifier: #VU52959
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:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-31520
CWE-ID: CWE-287
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to bypass authentication process.
The vulnerability exists due to usage of weak and predictable session token. A remote attacker can guess administrator's session token and gain full access to the application.
Affected software
Instant Messaging Security
How to mitigate CVE-2021-31520
Install updates from vendor's website.
Instant Messaging Security - addressed in versions 1.6 CP3 b2110, 1.6.5 CP3 b1267