Input validation error in freeCap CAPTCHA - CVE-2019-16699
Published: October 15, 2019
Vulnerability identifier: #VU21798
CSH Severity: High
CVSS v4: 9.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2019-16699
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can execute arbitrary Extbase actions, resulting in remote code execution.
Affected software
freeCap CAPTCHA
How to mitigate CVE-2019-16699
Install updates from vendor's website.
freeCap CAPTCHA - addressed in versions 2.4.6, 2.5.3