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CVE-2018-1116
A flaw was found in polkit before version 0.116. The implementation of the polkit_backend_interactive_authority_check_authorization…
- 4.7MediumCVSS base score
- 1.2%Exploitation in 30 daysEPSS · top 32% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
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.
Timeline
ID reserved
By redhat
- 7 months later
· 7 months later
Published
- 6 years later
· 6 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| redhatCNA (assigner) | 3.0 | Medium4.7 | CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L |
| NVDNVD · Modified | 3.1 | Medium4.4 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L |
- EPSS (exploitation in 30 days)
- 1.2% · top 32% of all CVEs (10 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.7.
Affected products
References
5
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-1116 (opens in a new tab)x_refsource_CONFIRMx_transferred
- USN-3717-2 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- https://cgit.freedesktop.org/polkit/commit/?id=bc7ffad5364 (opens in a new tab)x_refsource_CONFIRMx_transferred
- [debian-lts-announce] 20180728 [SECURITY] [DLA-1448-1] policykit-1 security update (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- GLSA-201908-14 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2018-11760 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2018-1116)Record last updated .