Vulnerability in Avast Antivirus
CVE-2020-10867
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 bypass intended access restrictions on tasks from an untrusted process, when Self Defense is enabled.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.022 (81.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 82nd percentile — 81.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.022 · newest: 0.022 · change: 0.000
Affected products
Weakness classification (CWE)
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-2020-10867?
- CVE-2020-10867 is a critical-severity vulnerability in Avast Antivirus, classified under Exposure of Resource to Wrong Sphere. CVSS score: 9.8/10. Published 2020-04-01.
- How severe is CVE-2020-10867?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2020-10867 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.