CVE-2019-19954 json
Signal Desktop before 1.29.1 on Windows allows local users to gain privileges by creating a Trojan horse %SYSTEMDRIVE%\node_modules\.bin\wm…
published 2019-12-24 6 y ago modified 2026-06-17 4 mo ago also EUVD-2019-9542
- cvss
- 7.3
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.5%
- EPSS 0.5% chance of exploitation in 30 days, percentile 41%
- public exploits
- 0
- none known
Summary
Signal Desktop before 1.29.1 on Windows allows local users to gain privileges by creating a Trojan horse %SYSTEMDRIVE%\node_modules\.bin\wmic.exe file.
Patch / fix
- signal signal-desktop 1.29.1
Exploit prediction
0.48% chance of exploitation in the next 30 days, higher than 41% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- blog.mirch.io https://blog.mirch.io/2019/12/18/signal-desktop-windows-lpe/ referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.3 | CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 6.9 | AV:L/AC:M/Au:N/C:C/I:C/A:C |
Classification
- Weakness
-
- CWE-427 Uncontrolled Search Path Element
References
-
github.com
/signalapp/Signal-Desktop/commit/2da39cca673cc11be3c6d70d4fb95889f9ab6688
patch
-
blog.mirch.io
/2019/12/18/signal-desktop-windows-lpe/
exploit, patch, third-party-advisory
Sources
- CVE List CVE-2019-19954
- NVD CVE-2019-19954
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.