What is CVE-2023-29259?

CVE-2023-29259 is a low-severity vulnerability in IBM Aix. CVSS score: 3.7/10. Published 2023-07-19.

How severe is CVE-2023-29259?

Low severity. CVSS v3 base score is 3.7 out of 10.

Vulnerability in IBM Aix

CVE-2023-29259

IBM Sterling Connect:Express for UNIX 1.5 browser UI is vulnerable to attacks that rely on the use of cookies without the SameSite attribute. IBM X-Force ID: 252055.

Published 2023-07-19 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 3.7 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.005 (39.0th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 39th percentile — 39.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

IBM Aix
IBM Sterling Connect\ — versions express_for_unix
IBM Sterling Connect:express For Unix — versions 1.5
IBM Sterling Connect\:express For Unix — versions 1.5.0
Linux Kernel
Microsoft Windows
Oracle Solaris

References

www.ibm.com/support/pages/node/7010921 (vendor-advisory, Patch, Vendor Advisory)
exchange.xforce.ibmcloud.com/vulnerabilities/252055 (VDB Entry, vdb-entry, Vendor Advisory)

Frequently asked questions

What is CVE-2023-29259?: CVE-2023-29259 is a low-severity vulnerability in IBM Aix. CVSS score: 3.7/10. Published 2023-07-19.
How severe is CVE-2023-29259?: Low severity. CVSS v3 base score is 3.7 out of 10.