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[email protected]CVE-2020-10863

HistoryApr 01, 2020 - 5:15 p.m.

CVE-2020-10863

2020-04-0117:15:15

[email protected]

web.nvd.nist.gov

avast

antivirus

vulnerability

rpc

low integrity

shutdown

security

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

7.5 High

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

61.4%

JSON

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.

Affected configurations

NVD

Node

avastantivirusRange<20.0

AND

microsoftwindowsMatch-

CPENameOperatorVersion
avast:antivirusavast antiviruslt20.0

CPE	Name	Operator	Version
avast:antivirus	avast antivirus	lt	20.0

References

forum.avast.com/index.php?topic=232420.0

forum.avast.com/index.php?topic=232423.0

github.com/umarfarook882/Avast_Multiple_Vulnerability_Disclosure/blob/master/README.md

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

7.5 High

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

61.4%

JSON

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