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prionPRIOn knowledge basePRION:CVE-2021-45337
HistoryDec 27, 2021 - 2:15 p.m.

Privilege escalation

2021-12-2714:15:00
PRIOn knowledge base
www.prio-n.com
3

8.7 High

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

5.1%

Privilege escalation vulnerability in the Self-Defense driver of Avast Antivirus prior to 20.8 allows a local user with SYSTEM privileges to gain elevated privileges by “hollowing” process wsc_proxy.exe which could lead to acquire antimalware (AM-PPL) protection.

CPENameOperatorVersion
antiviruslt20.8

8.7 High

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

5.1%

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