CVE-2020-13657 — MEDIUM (5.5)

Q: How severe is CVE-2020-13657?

CVE-2020-13657 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2020-13657?

Check the references section above for vendor advisories and patch information. Affected products include: Avast Avg Antivirus, Avast Free Antivirus.

Vulnerability Description

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 Score

5.5

MEDIUM

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

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

HIGH

Availability

NONE

Affected Products

Vendor	Product	Versions
Avast	Avg Antivirus	< 20.4
Avast	Free Antivirus	< 20.4

References

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

FAQ

What is CVE-2020-13657?

CVE-2020-13657 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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...

How severe is CVE-2020-13657?

CVE-2020-13657 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-13657?

Check the references section above for vendor advisories and patch information. Affected products include: Avast Avg Antivirus, Avast Free Antivirus.