Vulnerability Report

CVE-2020-13657

Title: Avast Free Antivirus

Other

Proof Of Concept

No public PoC currently indexed for CVE-2020-13657.

CWE Category NVD-CWE-noinfo
Published Date Jun 29, 2020
Modified Date Nov 21, 2024
Exploit Status Not Found
Score 5.5 CVSS v3.1
Exploit Probability (EPSS)
0.03%

Vulnerability Summary

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.

Impacted Vendors

G
grisoft 1
A
avg 1
A
avast 2
A
avira 1

Reference Links

https://forum.avast.com/index.php?topic=232423.0 https://forum.avast.com/index.php?topic=234638.0 https://forum.avast.com/index.php?topic=232423.0 https://forum.avast.com/index.php?topic=234638.0
CVSS v3.1
Source Entity [email protected]
Severity MEDIUM
5.5
Attack Vector
LOCAL
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
CVSS v2.0
Source Entity [email protected]
Severity LOW
2.1
Access Vector
N/A
Authentication
N/A
RAW VECTOR AV:L/AC:L/Au:N/C:N/I:P/A:N

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2020-13657 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector LOCAL
Complexity LOW
Privileges N/A
Interaction NONE
CVSS Vector String CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Affected Stack

No specific products linked.