Vulnerability Monitor

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CVE-2020-10862

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 achieve Local Privilege Escalation (LPE) via RPC.

Published

2020-04-01T17:15:15.923

Last Modified

2024-11-21T04:56:14.550

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.8 (HIGH)

CVSSv2 Vector

AV:L/AC:L/Au:N/C:P/I:P/A:P

Access Vector: LOCAL
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

3.9

Impact Score

6.4

Weaknesses

Type: Primary
NVD-CWE-noinfo

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	avast	antivirus	< 20.0	Yes
Operating System	microsoft	windows	-	No

References

https://forum.avast.com/index.php?topic=232420.0 Release Notes, Vendor Advisory ([email protected])
https://forum.avast.com/index.php?topic=232423.0 Release Notes, Vendor Advisory ([email protected])
https://github.com/umarfarook882/Avast_Multiple_Vulnerability_Disclosure/blob/master/README.md Exploit, Third Party Advisory ([email protected])
https://forum.avast.com/index.php?topic=232420.0 Release Notes, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://forum.avast.com/index.php?topic=232423.0 Release Notes, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/umarfarook882/Avast_Multiple_Vulnerability_Disclosure/blob/master/README.md Exploit, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)