Remote Procedure Call Vulnerability in Avast Antivirus Service
CVE-2020-10863

7.5HIGH

Key Information:

Vendor

Avast

Status
Antivirus
Vendor
CVE Published:
1 April 2020

What is CVE-2020-10863?

A security concern has been identified in Avast Antivirus prior to version 20, where the aswTask RPC endpoint within the Avast Service (AvastSvc.exe) can be exploited. This flaw permits attackers operating from a Low Integrity process to initiate a shutdown procedure via a command known as TempShutDownMachine. This vulnerability poses a risk by allowing unauthorized shutdowns, potentially disrupting users' systems and compromising security.

References

https://forum.avast.com/index.php?topic=232420.0
x_refsource_MISC
https://forum.avast.com/index.php?topic=232423.0
x_refsource_MISC
https://github.com/umarfarook882/Avast_Multiple_Vulnerabi...
x_refsource_MISC

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.
CVE-2020-10863 : Remote Procedure Call Vulnerability in Avast Antivirus Service