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Fencer Vulns
medium 6.5

CVE-2023-2088 json

A flaw was found in OpenStack due to an inconsistency between Cinder and Nova.

published 2023-05-12 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-33614

cvss
6.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.2%
EPSS 1.2% chance of exploitation in 30 days, percentile 68%
public exploits
0
none known

Summary

A flaw was found in OpenStack due to an inconsistency between Cinder and Nova. This issue can be triggered intentionally or by accident. A remote, authenticated attacker could exploit this vulnerability by detaching one of their volumes from Cinder. The highest impact is to confidentiality.

Patch / fix

  • nova Debian 14, Debian 13, Debian 12 2:26.1.0-4
  • cinder Debian 14, Debian 13, Debian 12 2:21.1.0-3
  • python-os-brick Debian 14, Debian 13, Debian 12 4.1.0-3
  • python-glance-store Debian 14, Debian 13, Debian 12 4.1.0-4

debian advisories DEBIAN-CVE-2023-2088

  • nova Ubuntu 22.04 LTS 3:25.1.1-0ubuntu1.1
  • cinder Ubuntu 22.04 LTS 2:20.2.0-0ubuntu1.1
  • ironic Ubuntu 22.04 LTS 1:20.1.0-0ubuntu1.1
  • python-os-brick Ubuntu 22.04 LTS 5.2.2-0ubuntu1.2
  • python-glance-store Ubuntu 22.04 LTS 3.0.0-0ubuntu1.3

ubuntu advisories UBUNTU-CVE-2023-2088

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • python3-nova openstack 16.1 1:20.4.1-1.20221005193232.el8ost
  • openstack-nova openstack 16.1 1:20.4.1-1.20221005193232.el8ost
  • python3-cinder openstack 16.1 1:15.4.0-1.20230510003501.58f0e73.el8ost
  • python-os-brick openstack 16.1 2.10.5-1.20220112193420.634fb4a.el8ost
  • openstack-cinder openstack 16.1 1:15.4.0-1.20230510003501.58f0e73.el8ost
  • python3-os-brick openstack 16.1 2.10.5-1.20220112193420.634fb4a.el8ost
  • openstack-nova-api openstack 16.1 1:20.4.1-1.20221005193232.el8ost
  • python-glance-store openstack 16.1 1.0.2-1.20220219073735.el8ost

red hat advisories RHSA-2023:3156RHSA-2023:3161RHSA-2023:3157RHSA-2023:3158

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-2023-2088 updated cvss 9.1

openstack-cinder: silently access other user's volumes

  • Red Hat OpenStack Platform 13 (Queens) python-cinder, openstack-cinder
    affected: workaround, no fix planned “Red Hat OpenStack Platform 13: https://access.redhat.com/solutions/7012184 Red Hat OpenStack Platform 16 and newer: https://access.redhat.com/solutions/7012327”
  • Red Hat OpenStack Platform 13.0 - ELS python-nova 17.0.13-41.el7ost, python-os-brick 2.3.9-12.el7ost, openstack-nova 17.0.13-41.el7ost, python2-os-brick 2.3.9-12.el7ost, python-nova-tests 17.0.13-41.el7ost, openstack-nova-api 17.0.13-41.el7ost, +14 more Red Hat OpenStack Platform 13.0 for RHEL 7.6 EUS Server python-nova 17.0.13-41.el7ost, python-os-brick 2.3.9-12.el7ost, openstack-nova 17.0.13-41.el7ost, python2-os-brick 2.3.9-12.el7ost, python-nova-tests 17.0.13-41.el7ost, openstack-nova-api 17.0.13-41.el7ost, +14 more
    fixed: vendor fix “Red Hat OpenStack Platform 13: https://access.redhat.com/solutions/7012184 Red Hat OpenStack Platform 16 and newer: https://access.redhat.com/solutions/7012327” RHSA-2023:3161
  • Red Hat OpenStack Platform 16.1 python3-nova 20.4.1-1.20221005193232.el8ost, openstack-nova 20.4.1-1.20221005193232.el8ost, openstack-nova-api 20.4.1-1.20221005193232.el8ost, python-glance-store 1.0.2-1.20220219073735.el8ost, python3-glance-store 1.0.2-1.20220219073735.el8ost, openstack-nova-common 20.4.1-1.20221005193232.el8ost, +12 more
    fixed: vendor fix “Red Hat OpenStack Platform 13: https://access.redhat.com/solutions/7012184 Red Hat OpenStack Platform 16 and newer: https://access.redhat.com/solutions/7012327” RHSA-2023:3156
  • Red Hat OpenStack Platform 16.2 python3-nova 20.6.2-2.20230308185149.el8ost, openstack-nova 20.6.2-2.20230308185149.el8ost, tripleo-ansible 0.8.1-2.20230309004941.el8ost, openstack-nova-api 20.6.2-2.20230308185149.el8ost, openstack-nova-common 20.6.2-2.20230308185149.el8ost, openstack-nova-compute 20.6.2-2.20230308185149.el8ost, +13 more
    fixed: vendor fix “Red Hat OpenStack Platform 13: https://access.redhat.com/solutions/7012184 Red Hat OpenStack Platform 16 and newer: https://access.redhat.com/solutions/7012327” RHSA-2023:3158
  • Red Hat OpenStack Platform 17.0 python3-nova 23.2.2-0.20221209190754.7074ac0.el9ost, openstack-nova 23.2.2-0.20221209190754.7074ac0.el9ost, python-os-brick 4.3.3-0.20220715140803.d09dc9e.el9ost, python3-cinder 18.2.1-0.20230509200451.1776695.el9ost, tripleo-ansible 3.3.1-0.20221208161844.fa5422f.el9ost, python3-os-brick 4.3.3-0.20220715140803.d09dc9e.el9ost, +13 more
    fixed: vendor fix “Red Hat OpenStack Platform 13: https://access.redhat.com/solutions/7012184 Red Hat OpenStack Platform 16 and newer: https://access.redhat.com/solutions/7012327” RHSA-2023:3157
  • Red Hat OpenStack Platform 16.1 tripleo-ansible
    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

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
21 mo ago

Exploit prediction

1.20% chance of exploitation in the next 30 days, higher than 68% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CISA ADP 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
NVD 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CNA 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Affected products

  • n/a OpenStack

Classification

Weakness
  • CWE-440 Expected Behavior Violation

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.