HOMEVULNERABILITIESCVE-2019-15901
HIGH

CVE-2019-15901

CWE-269Published: October 18, 2019· Updated: Jun 17, 2026

8.8
CVSS v3.1

Official Description

An issue was discovered in slicer69 doas before 6.2 on certain platforms other than OpenBSD. A setusercontext(3) call with flags to change the UID, primary GID, and secondary GIDs was replaced (on certain platforms: Linux and possibly NetBSD) with a single setuid(2) call. This resulted in neither changing the group id nor initializing secondary group ids.

NVD Source

Technical Analysis

CVE-2019-15901 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

doas_project1 product(s)
doas
Linux1 product(s)
linux kernel
Source: NVD CPE · 2 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

PATCHhttps://github.com/slicer69/doas/commit/6cf0236184ff6304bf5e267ccf7ef02874069697
PATCHhttps://github.com/slicer69/doas/compare/6.1p1...6.2
PATCHhttps://github.com/slicer69/doas/commit/6cf0236184ff6304bf5e267ccf7ef02874069697
PATCHhttps://github.com/slicer69/doas/compare/6.1p1...6.2
ADVISORYhttps://github.com/slicer69/doas/pull/23
ADVISORYhttps://github.com/slicer69/doas/pull/23

All References (6)

→
https://github.com/slicer69/doas/commit/6cf0236184ff6304bf5e267ccf7ef02874069697Patch · Third Party Advisory
→
https://github.com/slicer69/doas/compare/6.1p1...6.2Patch · Release Notes · Third Party Advisory
→
https://github.com/slicer69/doas/pull/23Exploit · Third Party Advisory
→
https://github.com/slicer69/doas/commit/6cf0236184ff6304bf5e267ccf7ef02874069697Patch · Third Party Advisory
→
https://github.com/slicer69/doas/compare/6.1p1...6.2Patch · Release Notes · Third Party Advisory
→
https://github.com/slicer69/doas/pull/23Exploit · Third Party Advisory

Quick Facts

CVE IDCVE-2019-15901
CVSS Score8.8 / 10
SeverityHIGH
WeaknessCWE-269
CISA KEVNo
Affected2 vendor(s)
PublishedOct 18, 2019

Related CVEs (CWE-269)

CVE-2024-6240
10.0
CVE-2021-1388
10.0
CVE-2020-27655
10.0
CVE-2018-4310
10.0
CVE-2022-24783
10.0
CVE-2025-0505
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2019-15901 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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