01 Record
CVE-2019-19520
xlock in OpenBSD 6.6 allows local users to gain the privileges of the auth group by providing a LIBGL_DRIVERS_PATH environment variable, because xenocara/lib/mesa/src/loader/loader.c mishandles
UnratedPUBLISHEDCNA: mitre
CNA base scoreUnratedNo CNA CVSS vector
02 Description
xlock in OpenBSD 6.6 allows local users to gain the privileges of the auth group by providing a LIBGL_DRIVERS_PATH environment variable, because xenocara/lib/mesa/src/loader/loader.c mishandles
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 1.34% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 71.1% of scored records. A rank, not a probability.
- NVD base score
- 7.8 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2019-12-04 23:34Z6 YR AGO
- Last updated
- 2024-08-05 02:16Z2 YR AGO
- Reserved
- 2019-12-03
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-863Incorrect AuthorizationClass
- Data version
- 5.1
- Document digest
- 8dc4646ca00b6c21212bb89fb8a09d9e2759dacd19276ef0249dc68e1dacc3b2
05 Affected products
VendorProductVersionsPlatforms
06 References
- www.openwall.comhttps://www.openwall.com/lists/oss-security/2019/12/04/5
- www.openbsd.orghttps://www.openbsd.org/errata66.html
- www.openwall.com[oss-security] 20191204 Re: Authentication vulnerabilities in OpenBSDhttp://www.openwall.com/lists/oss-security/2019/12/04/6
- www.openwall.com[oss-security] 20191204 Authentication vulnerabilities in OpenBSDhttp://www.openwall.com/lists/oss-security/2019/12/04/5
- seclists.org20191205 Authentication vulnerabilities in OpenBSDhttps://seclists.org/bugtraq/2019/Dec/8
- packetstormsecurity.comhttp://packetstormsecurity.com/files/155572/Qualys-Security-Advisory-OpenBSD-Authentication-Bypass-Privilege-Escalation.html
- seclists.org20191206 Authentication vulnerabilities in OpenBSDhttp://seclists.org/fulldisclosure/2019/Dec/14