What is CVE-2016-4042?

CVE-2016-4042 is a medium-severity vulnerability in Plone, classified under Information Disclosure. CVSS score: 5.3/10. Published 2017-02-24.

How severe is CVE-2016-4042?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Information disclosure in Plone

CVE-2016-4042

Plone 3.3 through 5.1a1 allows remote attackers to obtain information about the ID of sensitive content via unspecified vectors.

Vulnerability class: Information Disclosure

Published 2017-02-24 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.011 (65.0th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 65th percentile — 65.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000

Affected products

Plone — versions 3.3, 3.3.1, 3.3.2

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

www.openwall.com/lists/oss-security/2016/04/20/2 (mailing-list, Mailing List, Third Party Advisory)
plone.org/security/hotfix/20160419/unauthorized-disclosure-of-site-content (Vendor Advisory)

Frequently asked questions

What is CVE-2016-4042?: CVE-2016-4042 is a medium-severity vulnerability in Plone, classified under Information Disclosure. CVSS score: 5.3/10. Published 2017-02-24.
How severe is CVE-2016-4042?: Medium severity. CVSS v3 base score is 5.3 out of 10.