CVE-2019-18194
TotalAV 2020 4.14.31 has a quarantine flaw that allows privilege escalation.
Does this matter?
A public exploit is published in Exploit-DB (verified) and the impact is high, while EPSS rates exploitation at 2.2%. Anyone can run this; patch or mitigate before the next change window and check exposed instances for signs of use.
Description
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.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 2.21% probability · 82th percentile
- Public exploits
- 1 in Exploit-DB · verified · first 10 January 2020
- CISA KEV
- Not listed
- Affected
- totalav/totalav 2020
- Source
- cve@mitre.org
EPSS 2.2% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
Public exploits (1)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
- https://bogner.sh/2017/11/avgater-getting-local-admin-by-abusing-the-anti-virus-quarantine/Third Party Advisory
- https://www.youtube.com/watch?v=88qeaLq98GcExploit, Third Party Advisory
- https://bogner.sh/2017/11/avgater-getting-local-admin-by-abusing-the-anti-virus-quarantine/Third Party Advisory
- https://www.youtube.com/watch?v=88qeaLq98GcExploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.