What is CVE-2021-29868?

CVE-2021-29868 is a medium-severity vulnerability in IBM I2 Ibase, classified under Insufficient Session Expiration. CVSS score: 5.5/10. Published 2021-10-27.

How severe is CVE-2021-29868?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Vulnerability in IBM I2 Ibase

CVE-2021-29868

IBM i2 iBase 8.9.13 and 9.0.0 could allow a local attacker to obtain sensitive information due to insufficient session expiration. IBM X-Force ID: 206213.

Published 2021-10-27 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.002 (11.1th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 11th percentile — 11.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

IBM I2 Ibase — versions 8.9.13, 9.0.0
IBM I2 Ibase — versions 8.9.13, 9.0.0

Weakness classification (CWE)

CWE-613 — Insufficient Session Expiration

References

www.ibm.com/support/pages/node/6508776 (Patch, Vendor Advisory)
exchange.xforce.ibmcloud.com/vulnerabilities/206213 (VDB Entry, vdb-entry, Vendor Advisory)

Frequently asked questions

What is CVE-2021-29868?: CVE-2021-29868 is a medium-severity vulnerability in IBM I2 Ibase, classified under Insufficient Session Expiration. CVSS score: 5.5/10. Published 2021-10-27.
How severe is CVE-2021-29868?: Medium severity. CVSS v3 base score is 5.5 out of 10.