No exploitation reported

CVE-2023-1636

No exploitation reported by the sources we read.

Published2023-09-24
WeaknessCWE-653

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

A vulnerability was found in OpenStack Barbican containers. This vulnerability is only applicable to deployments that utilize an all-in-one configuration. Barbican containers share the same CGROUP, USER, and NET namespace with the host system and other OpenStack services. If any service is compromised, it could gain access to the data transmitted to and from Barbican.

Timeline

dates in UTC

2023-09-2401:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2023-1636?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2023-1636?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

OSV · NVD

barbican

Branch	Affected	Fixed in	Source
16.0	≤ 16.0.0	no fix published	OSV

Redhat openstack platform

Branch	Affected	Fixed in	Source
16.1	= 16.1	no fix published	NVD
16.2	= 16.2	no fix published	NVD
17.0	= 17.0	no fix published	NVD

Openstack barbican

Branch	Affected	Fixed in	Source
—	all versions	no fix published	NVD

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

No fix published by the sources we read yet. NVD record

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

CISA-ADPSSVC decisionnone2024-09-24
OpenCVESSVC decisionnone—
CNACVSS 3.16read 2026-10-23
NVDCVSS 3.15read 2026-10-23
CNAweakness (CWE)CWE-653read 2026-10-23
FIRST EPSSEPSS score0.5 %2026-10-23
OSVaffected packages—

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N
Published: 2023-09-24
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2023-1636?

Is CVE-2023-1636 actively exploited?

Active exploitation of CVE-2023-1636 has not been confirmed. Its EPSS score was 0.5% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2023-1636?

CVE-2023-1636 has a CVSS v3 base score of 5 (MEDIUM severity), with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N.

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