CVE-2019-18194 json
TotalAV 2020 4.14.31 has a quarantine flaw that allows privilege escalation.
published 2020-01-10 6 y ago modified 2026-06-17 4 mo ago also EUVD-2019-7997
- cvss
- 7.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.2%
- EPSS 2.2% chance of exploitation in 30 days, percentile 82%
- public exploits
- 1
- Exploit-DB
Summary
TotalAV 2020 4.14.31 has a quarantine flaw that allows privilege escalation. Exploitation uses an NTFS directory junction to restore a malicious DLL from quarantine into the system32 folder.
Timeline
- First public exploit (EDB-47897)
- Published
Exploit prediction
2.21% chance of exploitation in the next 30 days, higher than 82% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- EDB-47897 TotalAV 2020 4.14.31 - Privilege Escalation local, 2020-01-10
- youtube.com https://www.youtube.com/watch?v=88qeaLq98Gc referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:N/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 |
References
-
youtube.com
/watch?v=88qeaLq98Gc
exploit, third-party-advisory
-
bogner.sh
/2017/11/avgater-getting-local-admin-by-abusing-the-anti-virus-quarantine/
third-party-advisory
Sources
- CVE List CVE-2019-18194
- NVD CVE-2019-18194
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.