CVE-2021-31918

mediumpriority · track · 30EPSS 0.010 · 63 %ileEUUS
grimoire priorityP3 · Track
Exploitable?
—
no known exploitation
Likely / severe?
1.00% (63rd) EPSS
CVSS 5 · medium
Is it mine?
4 products
Check your exposure
Who says so?
4 sources
cnnvd · enisa_euvd · nvd · redhat_csaf

EPSS · scored 2026-10-28

A flaw was found in tripleo-ansible version as shipped in Red Hat Openstack 16.1. The Ansible log file is readable to all users during stack update and creation. The highest threat from this vulnerability is to data confidentiality.

01

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

  • Fixedtripleo-ansible-0:0.5.1-1.20210323173506.el8ost.noarch as a component of Red Hat OpenStack Platform 16.1redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2021:2119
  • Fixedtripleo-ansible-0:0.5.1-1.20210323173506.el8ost.src as a component of Red Hat OpenStack Platform 16.1redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

    https://access.redhat.com/errata/RHSA-2021:2119
  • Workaroundtripleo-ansible-0:0.5.1-1.20210323173506.el8ost.noarch as a component of Red Hat OpenStack Platform 16.1redhat_csaf

    This vulnerability can be resolved by manually adjusting the file permissions. Run the following command: chmod o-r /var/lib/mistral/overcloud/ansible.log

  • Workaroundtripleo-ansible-0:0.5.1-1.20210323173506.el8ost.src as a component of Red Hat OpenStack Platform 16.1redhat_csaf

    This vulnerability can be resolved by manually adjusting the file permissions. Run the following command: chmod o-r /var/lib/mistral/overcloud/ansible.log

02

cvss

Technical severity, 0–10. One row per scoring source.

7.5
010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5–7.5

v2.05mediumAV:N/AC:L/Au:N/C:P/I:N/A:Nprimary · NVD / NIST USexploitability 10 · impact 2.9
v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:Nprimary · NVD / NIST USexploitability 3.9 · impact 3.6
v3.16.9mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:Usecondary · CVSS-BT (t0sche)
v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:Nsecondary · Red Hat Product Security US
03

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-732USprimaryCWE-200USCWE-200US
04

affected products (4)

Products and version ranges known to be affected.

05

advisories (1)

Vendor and ecosystem advisories describing this.

  • RHSA-2021:2119Red Hat Security Advisory: Red Hat OpenStack Platform 16.1.6 (tripleo-ansible) security update2021-05-26csaf · redhat_csafUS

    An update for tripleo-ansible is now available for Red Hat OpenStack Platform 16.1 (Train). Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

06

also known as (3)

Other names and identifiers for this entity.

07

sources

Which sources assert this record, and when.

cnnvdenisa_euvdnvdredhat_csafNVDCVE.orgMITRE
published 2021-05-06modified 2026-06-17
09

references (6)

External citations — patches, advisories, analysis.

scry

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