What is CVE-2015-2023?

CVE-2015-2023 is a high-severity vulnerability in IBM I Access, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.8/10. Published 2016-01-02.

How severe is CVE-2015-2023?

High severity. CVSS v3 base score is 8.8 out of 10.

Is CVE-2015-2023 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in IBM I Access

CVE-2015-2023

Buffer overflow in IBM i Access 7.1 on Windows allows local users to gain privileges via unspecified vectors.

Vulnerability class: Buffer Overflow

Published 2016-01-02 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.015 (72.7th percentile), scored 2026-10-02.

Low probability of exploitation in the next 30 days, but still tracked. 73rd percentile — 72.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: 0.000

Affected products

IBM I Access — versions 7.1
Microsoft Windows

Weakness classification (CWE)

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

Public proof-of-concept exploits

brianhigh/us-cert-bulletins

References

www-01.ibm.com/support/docview.wss (Vendor Advisory)
www.exploit-db.com/exploits/38751/ (exploit)
www-01.ibm.com/support/docview.wss (vendor-advisory)

Frequently asked questions

What is CVE-2015-2023?: CVE-2015-2023 is a high-severity vulnerability in IBM I Access, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.8/10. Published 2016-01-02.
How severe is CVE-2015-2023?: High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2015-2023 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.