What is CVE-2023-32331?

CVE-2023-32331 is a high-severity vulnerability in IBM Aix, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.5/10. Published 2024-03-04.

How severe is CVE-2023-32331?

High severity. CVSS v3 base score is 7.5 out of 10.

Buffer overflow in IBM Aix

CVE-2023-32331

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.

Vulnerability class: Buffer Overflow

Published 2024-03-04 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.007 (51.3th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 51st percentile — 51.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

IBM Aix
IBM Sterling Connect\ — versions express_for_unix
IBM Sterling Connect:express For Unix — versions 1.5.0
IBM Sterling Connect\:express For Unix — versions 1.5.0
Linux Kernel
Oracle Solaris

Weakness classification (CWE)

References

www.ibm.com/support/pages/node/7011443 (vendor-advisory, Vendor Advisory)
exchange.xforce.ibmcloud.com/vulnerabilities/254979 (Third Party Advisory, vdb-entry)

Frequently asked questions

What is CVE-2023-32331?: CVE-2023-32331 is a high-severity vulnerability in IBM Aix, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.5/10. Published 2024-03-04.
How severe is CVE-2023-32331?: High severity. CVSS v3 base score is 7.5 out of 10.