CVE-2023-32331 IBM Connect:Express for UNIX denial of service
A remote attacker can cause a denial of service in IBM Connect:Express for UNIX via a buffer overflow in the browser UI.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-32331?
CVE-2023-32331 is a high-severity memory corruption vulnerability in IBM Sterling Connect:Express for UNIX, published on 4 Mar 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
IBM Connect:Express for UNIX 1.5.0 is vulnerable to a buffer overflow that could allow a remote attacker to cause a denial of service through its browser UI. IBM X-Force ID: 254979.
Which versions are affected by CVE-2023-32331?
It affects 1 product.
Products include Ibm Sterling Connect\.
How do I fix CVE-2023-32331?
No fix has been published for CVE-2023-32331 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2023-32331 being exploited?
There is no known exploitation of CVE-2023-32331 in the wild and no public exploit code.
Other vulnerabilities in IBM Sterling Connect:Express for UNIX
- CVE-2020-4767 Memory corruption in Sterling Connect Direct for Microsoft Windows
- CVE-2025-36137 IBM Sterling Connect:Direct for UNIX command execution
- CVE-2018-1903 Privilege escalation in Sterling Connect:Direct for UNIX
- CVE-2023-29260 IBM Sterling Connect:Express for UNIX server-side request forgery
- CVE-2025-36063 Multiple vulnerabilities were addressed in IBM Sterling Connect:Express for UNIX.
Sources
Also known as GHSA-3pfw-5ffm-ww42.