Unrated severityNVD Advisory· Published Dec 27, 2021· Updated Aug 4, 2024

CVE-2021-45337

Description

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.

Affected products

Avast/Antivirusdescription
Avast\!/Antivirusllm-fuzzy
Range: <20.8

Patches

Vulnerability mechanics

References

github.com/the-deniss/Vulnerability-Disclosures/tree/main/CVE-2021-AVST3%20%26%20CVE-2021-AVST4%20%26%20CVE-2021-AVST5mitrex_refsource_MISC
www.avast.com/hacker-hall-of-fame/en/researcher-david-eade-reports-antitrack-bug-to-avast-0mitrex_refsource_MISC

News mentions

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