How severe is CVE-2015-3218?

CVE-2015-3218 has a CVSS 2.0 base score of 2.1, rated low severity.

Is CVE-2015-3218 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (33rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-3218?

CVE-2015-3218 affects Polkit Project Polkit. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2015-3218?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2015-3218 published?

CVE-2015-3218 was published on 2015-10-26 and last updated on 2026-06-17.

CVE-2015-3218

CVE-2015-3218 is a low-severity vulnerability in Polkit Project Polkit with a CVSS 2.0 base score of 2.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Low (CVSS 2.0 base score 2.1)
EPSS exploit prediction: 0% (33rd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Polkit Project Polkit
Published: 2015-10-26
Last modified: 2026-06-17

Description

The authentication_agent_new function in polkitbackend/polkitbackendinteractiveauthority.c in PolicyKit (aka polkit) before 0.113 allows local users to cause a denial of service (NULL pointer dereference and polkitd daemon crash) by calling RegisterAuthenticationAgent with an invalid object path.

Frequently asked questions

What is CVE-2015-3218?: The authentication_agent_new function in polkitbackend/polkitbackendinteractiveauthority.c in PolicyKit (aka polkit) before 0.113 allows local users to cause a denial of service (NULL pointer dereference and polkitd daemon crash) by calling RegisterAuthenticationAgent with an invalid object path.
How severe is CVE-2015-3218?: CVE-2015-3218 has a CVSS 2.0 base score of 2.1, rated low severity.
Is CVE-2015-3218 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (33rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-3218?: CVE-2015-3218 affects Polkit Project Polkit. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2015-3218?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2015-3218 published?: CVE-2015-3218 was published on 2015-10-26 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:polkit_project:polkit:*:*:*:*:*:*:*:*

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