Stack-based buffer overflow in Informix Dynamic Server - CVE-2021-20515
Published: May 4, 2021
Vulnerability identifier: #VU52843
CSH Severity: Low
CVSS v4: 8.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-20515
CWE-ID: CWE-121
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error. A local administrator can trigger 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
Informix Dynamic Server
How to mitigate CVE-2021-20515
Install updates from vendor's website.
Informix Dynamic Server - update to 14.10.xC5