Is CVE-2023-1636 in the CISA KEV catalog?

No. CVE-2023-1636 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-1636?

CVE-2023-1636 has a CVSS v3 base score of 6.0 (MEDIUM).

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

CVE-2023-1636 has an EPSS score of 0.48% (38th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix or mitigate CVE-2023-1636?

No published fix for CVE-2023-1636 has been found yet. Check the linked vendor advisories for guidance as it becomes available.

CVE & CISA-KEV Catalog

CVE-2023-1636

MEDIUM

6.0

CVSS v3

NVD

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.

CWE-653

How to fix

No published remediation has been found for this vulnerability's affected products yet.

Mitigation guidance may be in the linked vendor advisories in the References section below.

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CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityHigh

Privileges RequiredLow

User InteractionNone

ScopeChanged

Impact

ConfidentialityLow

IntegrityLow

AvailabilityLow

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:L

Exploit Intelligence

0.48%probability of exploitation in 30 days

38thpercentile

Low risk: more likely to be exploited than 38% of all known CVEs.

References

Third-Party Advisory2

Related Vulnerabilities

Other CWE-653 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2025-1974	Critical	9.8	99%	-	-
CVE-2025-57738	High	7.2	23%	-	Fix
CVE-2025-21590	Medium	4.4	1.7%	KEV	-
CVE-2026-24781	Critical	9.8	1.2%	-	Fix
CVE-2024-0135	High	7.6	1.1%	-	Fix
CVE-2026-43997	Critical	10.0	1.0%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.