Vulnerability Details CVE-2019-18894
In Avast Premium Security 19.8.2393, attackers can send a specially crafted request to the local web server run by Avast Antivirus on port 27275 to support Bank Mode functionality. A flaw in the processing of a command allows execution of arbitrary OS commands with the privileges of the currently logged in user. This allows for example attackers who compromised a browser extension to escape from the browser sandbox.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.003
EPSS Ranking 54.6%
CVSS Severity
CVSS v3 Score 7.8
CVSS v2 Score 9.3
References
Products affected by CVE-2019-18894
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cpe:2.3:a:avast:premium_security:19.8.2393