Is CVE-2013-2255 in the CISA KEV catalog?

No. CVE-2013-2255 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2013-2255?

CVE-2013-2255 has a CVSS v3 base score of 5.9 (MEDIUM).

What is the EPSS score for CVE-2013-2255?

CVE-2013-2255 has an EPSS score of 0.96% (57th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2013-2255?

Upgrade keystone on debian 11 to 2014.1-1 or later.

CVE & CISA-KEV Catalog

CVE-2013-2255

MEDIUM

5.9

CVSS v3

NVD

Description

HTTPSConnections in OpenStack Keystone 2013, OpenStack Compute 2013.1, and possibly other OpenStack components, fail to validate server-side SSL certificates.

CWE-295Improper Certificate Validation

How to fix

Remediation Available

keystoneDebian

Fixed in:2014.1-1CVE-2013-2255

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityHigh

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityHigh

AvailabilityNone

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

Exploit Intelligence

0.96%probability of exploitation in 30 days

57thpercentile

Moderate risk: more likely to be exploited than 57% of all known CVEs.

References

Vendor Advisory2

Third-Party Advisory5

Related Vulnerabilities

Other CWE-295 (Improper Certificate Validation) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2015-4000	Low	3.7	100%	-	Fix
CVE-2020-0601	High	8.1	89%	KEV	Fix
CVE-2009-3555	Critical	9.8	87%	-	Fix
CVE-2022-26923	High	8.8	83%	KEV	Fix
CVE-2023-27823	Critical	9.8	53%	-	-
CVE-2022-42979	High	8.8	24%	-	-

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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.