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Fencer Vulns
high 8.8

CVE-2016-7040 json

Red Hat CloudForms Management Engine 4.1 does not properly handle regular expressions passed to the expression engine via the JSON API and…

published 2016-10-07 10 y ago modified 2026-06-17 4 mo ago also EUVD-2016-7923

cvss
8.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.3%
EPSS 2.3% chance of exploitation in 30 days, percentile 83%
public exploits
0
none known

Summary

Red Hat CloudForms Management Engine 4.1 does not properly handle regular expressions passed to the expression engine via the JSON API and the web-based UI, which allows remote authenticated users to execute arbitrary shell commands by leveraging the ability to view and filter collections.

Patch / fix

  • cfme cloudforms managementengine 5.6 5.6.2.1-1.el7cf
  • cfme-gemset cloudforms managementengine 5.6 5.6.2.1-1.el7cf
  • cfme-appliance cloudforms managementengine 5.6 5.6.2.1-1.el7cf
  • rh-ruby22-rubygem-thin cloudforms managementengine 5.6 1.7.0-1.el7cf
  • rh-ruby22-rubygem-nokogiri cloudforms managementengine 5.6 1.6.8-1.el7cf
  • rh-ruby22-rubygem-pkg-config cloudforms managementengine 5.6 1.1.7-1.el7cf

red hat advisories RHSA-2016:1996

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-2016-7040 updated cvss 8.8

cfme: Incorrect sanitization in regular expression engine

  • Red Hat CloudForms Management Engine 5.6 cfme 5.6.2.1-1.el7cf, cfme-gemset 5.6.2.1-1.el7cf, cfme-appliance 5.6.2.1-1.el7cf, rh-ruby22-rubygem-thin 1.7.0-1.el7cf, rh-ruby22-rubygem-nokogiri 1.6.8-1.el7cf, rh-ruby22-rubygem-pkg-config 1.1.7-1.el7cf
    fixed: vendor fix RHSA-2016:1996

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

2.26% chance of exploitation in the next 30 days, higher than 83% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.0 8.8 CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 9.0 AV:N/AC:L/Au:S/C:C/I:C/A:C

Classification

Weakness

References

Sources

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.