CVE-2020-13657

An elevation of privilege vulnerability exists in Avast Free Antivirus and AVG AntiVirus Free before 20.4 due to improperly handling hard links. The vulnerability allows local users to take control of arbitrary files.

CVSS v3 5.5 MEDIUM
CVSS v2.0 2.1 LOW

5.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

2.1^/10

CVSS v2.0 : LOW

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

Exploitability : 3.9 / Impact : 2.9

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

References

Link	Resource
https://forum.avast.com/index.php?topic=232423.0	Release Notes Vendor Advisory
https://forum.avast.com/index.php?topic=234638.0	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:avast:avg_antivirus:::::free:::*
	cpe:2.3:a:avast:free_antivirus::::::::

History

No history.

Information

Published : 2020-06-29 18:15

Updated : 2023-12-10 13:27

NVD link : CVE-2020-13657

Mitre link : CVE-2020-13657

CVE.ORG link : CVE-2020-13657

JSON object : View

Products Affected

avast

avg_antivirus
free_antivirus

CWE

NVD-CWE-noinfo

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