What is CVE-2016-2999?

CVE-2016-2999 is a medium-severity vulnerability in IBM Connections, classified under Information Disclosure. CVSS score: 6.5/10. Published 2016-09-26.

How severe is CVE-2016-2999?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Information disclosure in IBM Connections

CVE-2016-2999

IBM Connections 4.x through 4.5 CR5, 5.0 before CR4, and 5.5 before CR1 allows remote authenticated users to obtain sensitive information via an unspecified brute-force attack.

Vulnerability class: Information Disclosure

Published 2016-09-26 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.012 (67.4th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 67th percentile — 67.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000

Affected products

IBM Connections

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

www-01.ibm.com/support/docview.wss (vendor-advisory, Broken Link)
www.securityfocus.com/bid/93147 (vdb-entry)
www-01.ibm.com/support/docview.wss (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2016-2999?: CVE-2016-2999 is a medium-severity vulnerability in IBM Connections, classified under Information Disclosure. CVSS score: 6.5/10. Published 2016-09-26.
How severe is CVE-2016-2999?: Medium severity. CVSS v3 base score is 6.5 out of 10.