Vulnerability in Avast Antivirus
CVE-2020-10863
An issue was discovered in Avast Antivirus before 20. The aswTask RPC endpoint for the TaskEx library in the Avast Service (AvastSvc.exe) allows attackers to trigger a shutdown via RPC from a Low Integrity process via TempShutDownMachine.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.021 (80.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 81st percentile — 80.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.021 · newest: 0.021 · change: 0.000
Affected products
Public proof-of-concept exploits
References
- forum.avast.com/index.php (Release Notes, Vendor Advisory)
- forum.avast.com/index.php (Release Notes, Vendor Advisory)
- github.com/umarfarook882/Avast_Multiple_Vulnerability_Disclosure/blob/master/RE… (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-10863?
- CVE-2020-10863 is a high-severity vulnerability in Avast Antivirus. CVSS score: 7.5/10. Published 2020-04-01.
- How severe is CVE-2020-10863?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2020-10863 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.