Buffer overflow in IBM I Access

CVE-2014-8920

Buffer overflow in the Data Transfer Program in IBM i Access 5770-XE1 5R4, 6.1, and 7.1 on Windows allows local users to gain privileges via unspecified vectors.

Vulnerability class: Buffer Overflow

Published 2015-01-28 · last modified 2026-06-17.

CVSS v2 metric

CVSS v2 base score 7.2 (High). Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C. This CVE predates CVSS v3 and has no v3 score from NVD.

EPSS exploit prediction

EPSS: 0.004 (29.1th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 29th percentile — 29.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

IBM I Access — versions 5r4, 6.1, 7.1

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

References

exchange.xforce.ibmcloud.com/vulnerabilities/99311 (vdb-entry)
www-01.ibm.com/support/docview.wss (Patch, Vendor Advisory)
secunia.com/advisories/62532 (third-party-advisory)