Stack-based buffer overflow in Communication Server - CVE-2021-38432
Published: October 8, 2021 / Updated: October 14, 2021
Vulnerability identifier: #VU57139
CSH Severity: High
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-38432
CWE-ID: CWE-121
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 a boundary error. A remote unauthenticated attacker can send a specially crafted request to the Facon Server, trigger a stack-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Affected software
Communication Server
How to mitigate CVE-2021-38432
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.