Is CVE-2018-1116 in the CISA KEV catalog?

No. CVE-2018-1116 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2018-1116?

CVE-2018-1116 has a CVSS v3 base score of 4.4 (MEDIUM).

What is the EPSS score for CVE-2018-1116?

CVE-2018-1116 has an EPSS score of 1.20% (64th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2018-1116?

Upgrade policykit-1 on debian 11 to 0.105-21 or later. Fixes are available for 3 affected products.

CVE & CISA-KEV Catalog

CVE-2018-1116

MEDIUM

4.4

CVSS v3

NVD

Description

A flaw was found in polkit before version 0.116. The implementation of the polkit_backend_interactive_authority_check_authorization function in polkitd allows to test for authentication and trigger authentication of unrelated processes owned by other users. This may result in a local DoS and information disclosure.

CWE-285 CWE-862Missing Authorization

How to fix

Remediation Available

policykit-1Debian

Fixed in:0.105-21CVE-2018-1116

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 v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityNone

AvailabilityLow

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

Exploit Intelligence

1.20%probability of exploitation in 30 days

64thpercentile

Moderate risk: more likely to be exploited than 64% of all known CVEs.

References

Patch2

Third-Party Advisory3

Related Vulnerabilities

Other CWE-285 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2025-29927	Critical	9.1	100%	-	Fix
CVE-2021-28799	Critical	10.0	78%	KEV + Ransom	Fix
CVE-2023-32707	High	8.8	74%	-	Fix
CVE-2023-48241	High	7.5	73%	-	Fix
CVE-2023-22480	High	7.3	67%	-	Fix
CVE-2022-3229	Critical	9.8	66%	-	-

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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.