CVE-2020-10863 Denial of service in n/a
Attackers can trigger a system shutdown via RPC from a low-integrity process in Avast Antivirus, causing denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-10863?
CVE-2020-10863 is a high-severity denial of service vulnerability in n/a, published on 1 Apr 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Which versions are affected by CVE-2020-10863?
It affects 1 product.
Products include Avast Antivirus.
How do I fix CVE-2020-10863?
No fix has been published for CVE-2020-10863 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2020-10863 being exploited?
There is no known exploitation of CVE-2020-10863 in the wild and no public exploit code.
Other vulnerabilities in n/a
- CVE-2025-13032 Race condition in (Free/Inernet Security/Ultimate) Antivirus
- CVE-2020-10867 Security feature bypass in n/a
- CVE-2017-8307 Missing authorization in n/a
- CVE-2025-3500 Integer Overflow in Avast Antiviurs 25.1.981.6 on Windows may result in privilege escalation
- CVE-2021-45335 Missing authorization in n/a
Sources
Also known as GHSA-238p-mw87-v56r.