Is CVE-2015-3255 in the CISA KEV catalog?

No. CVE-2015-3255 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2015-3255?

CVE-2015-3255 has a CVSS v2 base score of 4.6 (MEDIUM).

What is the EPSS score for CVE-2015-3255?

CVE-2015-3255 has an EPSS score of 0.36% (29th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2015-3255?

Upgrade policykit-1 on debian 11 to 0.105-12 or later. Fixes are available for 3 affected products.

CVE & CISA-KEV Catalog

CVE-2015-3255

MEDIUM

4.6

CVSS v2

NVD

Description

The polkit_backend_action_pool_init function in polkitbackend/polkitbackendactionpool.c in PolicyKit (aka polkit) before 0.113 might allow local users to gain privileges via duplicate action IDs in action descriptions.

CWE-264Permissions, Privileges, and Access Controls

How to fix

Remediation Available

policykit-1Debian

Fixed in:0.105-12CVE-2015-3255

libpolkit-backend-1-0Ubuntu

Fixed in:0.105-4ubuntu3.14.04.2USN-3717-1

Fixed in:0.105-14.1ubuntu0.1USN-3717-1

Fixed in:0.105-20ubuntu0.18.04.1USN-3717-1

policykit-1Ubuntu

Fixed in:0.105-4ubuntu3.14.04.2USN-3717-1

Fixed in:0.105-14.1ubuntu0.1USN-3717-1

Fixed in:0.105-20ubuntu0.18.04.1USN-3717-1

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

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

0.36%probability of exploitation in 30 days

29thpercentile

Low risk: more likely to be exploited than 29% of all known CVEs.

References

Other references8

Related Vulnerabilities

Other CWE-264 (Permissions, Privileges, and Access Controls) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2012-1456	Medium	4.3	100%	-	-
CVE-2012-1459	Medium	4.3	100%	-	Fix
CVE-2012-1446	Medium	4.3	100%	-	-
CVE-2012-1443	Medium	4.3	100%	-	-
CVE-2012-1442	Medium	4.3	99%	-	-
CVE-2012-1457	Medium	4.3	98%	-	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 2026-05-06.