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9.3
CVSSv2

CVE-2019-18894

Published: 13/01/2020 Updated: 21/01/2020
CVSS v2 Base Score: 9.3 | Impact Score: 10 | Exploitability Score: 8.6
CVSS v3 Base Score: 7.8 | Impact Score: 5.9 | Exploitability Score: 1.8
VMScore: 828
Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C

Vulnerability Summary

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.

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avast premium security 19.8.2393

References

CWE-78https://palant.de/2020/01/13/pwning-avast-secure-browser-for-fun-and-profit/https://nvd.nist.gov
CVSSv2
CVSSv2
CVSSv3
VMScore
Recommendations:
CVE-2018-25103CVE-2024-36279CVE-2024-38457elevation of privilegeCVE-2024-27801CVE-2024-30103NULL pointer dereferenceCVE-2024-6057XML injection
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