Vulnerability in Avast Antivirus
CVE-2021-45337
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 antimalw…
EPSS: 0.004 (34.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.
Affected products
- Avast Antivirus
- N/a — versions n/a
References
- cve@mitre.org (x_refsource_MISC, Vendor Advisory)
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-45337?
- CVE-2021-45337 is a high-severity vulnerability in Avast Antivirus. CVSS score: 8.8/10. Published 2021-12-27.
- How severe is CVE-2021-45337?
- High severity. CVSS v3 base score is 8.8 out of 10.