Padding oracle flaw in CloudForms Management Engine (aka CFME) 5 allows remote attackers to obtain sensitive cleartext information.

published 2017-04-21 9 y ago modified 2026-06-17 4 mo ago also EUVD-2016-4723

cvss: 5.3; version 3.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 1.2%; EPSS 1.2% chance of exploitation in 30 days, percentile 69%
public exploits: 0; none known

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2016-3702 updated 2026-05-13 cvss 4.9

cfme: vulnerable to padding oracle attack against AES-256-CBC

Red Hat CloudForms Management Engine 5 cfme
affected: no fix planned “Will not fix”

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

1.24% chance of exploitation in the next 30 days, higher than 69% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
NVD	3.0	5.3	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
NVD	2.0	5.0	AV:N/AC:L/Au:N/C:P/I:N/A:N

Classification

Weakness

CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

References

bugzilla.redhat.com /show_bug.cgi?id=1330179
issue-tracking, third-party-advisory, vdb-entry

Sources

CVE List CVE-2016-3702
NVD CVE-2016-3702

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary