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Fencer Intel
medium 5.9

CVE-2017-2621 json

An access-control flaw was found in the OpenStack Orchestration (heat) service before 8.0.0, 6.1.0 and 7.0.2 where a service log directory…

published 8y ago modified 4mo ago also EUVD-2017-11782

cvss
5.9
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 35%
public exploits
0
none known

Summary

An access-control flaw was found in the OpenStack Orchestration (heat) service before 8.0.0, 6.1.0 and 7.0.2 where a service log directory was improperly made world readable. A malicious system user could exploit this flaw to access sensitive information.

Patch / fix

  • openstack heat 8.0.0
  • openstack-heat openstack 9 1:6.1.0-3.el7ost
  • python-heat-tests openstack 9 1:6.1.0-3.el7ost
  • openstack-heat-api openstack 9 1:6.1.0-3.el7ost
  • openstack-heat-common openstack 9 1:6.1.0-3.el7ost
  • openstack-heat-engine openstack 9 1:6.1.0-3.el7ost
  • openstack-heat-api-cfn openstack 9 1:6.1.0-3.el7ost
  • openstack-heat-api-cloudwatch openstack 9 1:6.1.0-3.el7ost
  • openstack-heat openstack 10 1:7.0.2-4.el7ost

red hat advisories RHSA-2017:1464RHSA-2017:1243

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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-2017-2621 updated cvss 5.9

openstack-heat: /var/log/heat/ is world readable

  • Red Hat OpenStack Platform 9.0 openstack-heat 6.1.0-3.el7ost, python-heat-tests 6.1.0-3.el7ost, openstack-heat-api 6.1.0-3.el7ost, openstack-heat-common 6.1.0-3.el7ost, openstack-heat-engine 6.1.0-3.el7ost, openstack-heat-api-cfn 6.1.0-3.el7ost, +1 more
    fixed: vendor fix RHSA-2017:1464
  • Red Hat OpenStack Platform 10.0 openstack-heat 7.0.2-4.el7ost, python-heat-tests 7.0.2-4.el7ost, openstack-heat-api 7.0.2-4.el7ost, openstack-heat-common 7.0.2-4.el7ost, openstack-heat-engine 7.0.2-4.el7ost, openstack-heat-api-cfn 7.0.2-4.el7ost, +1 more
    fixed: vendor fix RHSA-2017:1243
  • Red Hat Enterprise Linux OpenStack Platform 5 (Icehouse) openstack-heat Red Hat Enterprise Linux OpenStack Platform 6 (Juno) openstack-heat Red Hat Enterprise Linux OpenStack Platform 7 (Kilo) openstack-heat, openstack-heat-api, openstack-heat-common, openstack-heat-engine, openstack-heat-api-cfn, openstack-heat-api-cloudwatch Red Hat OpenStack Platform 8 (Liberty) openstack-heat, openstack-heat-api, openstack-heat-common, openstack-heat-engine, openstack-heat-api-cfn, openstack-heat-api-cloudwatch Red Hat OpenStack Platform 11 (Ocata) openstack-heat
    not affected: vulnerable code not present

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

0.41% chance of exploitation in the next 30 days, higher than 35% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.0 5.9 CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:N/A:N
NVD 3.1 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
NVD 2.0 2.1 AV:L/AC:L/Au:N/C:P/I:N/A:N

Affected products

  • Red Hat openstack-heat

Classification

Weakness
  • CWE-552 Files or Directories Accessible to External Parties
  • CWE-532 Insertion of Sensitive Information into Log File

References

Sources

Fencer Intel 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.