CVE-2020-13657 - Vulnerability Details - OpenCVE

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.

Published: 2020-06-29

Score: 5.5 Medium

EPSS: < 1% Very Low

KEV: No

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

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

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2020-5898	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.

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact High

Availability Impact None

User Interaction None

No CVSS v3.0

Access Vector Local

Access Complexity Low

Authentication None

Confidentiality Impact None

Integrity Impact Partial

Availability Impact None

This CVE is not in the KEV list.

The EPSS score is 0.00412.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://forum.avast.com/index.php?topic=232423.0
https://forum.avast.com/index.php?topic=234638.0

History

No history.

Subscriptions

Avast Avg Antivirus Free Antivirus

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2020-06-29T17:51:57.000Z

Updated: 2024-08-04T12:25:16.279Z

Reserved: 2020-05-28T00:00:00.000Z

Link: CVE-2020-13657

Vulnrichment

No data.

NVD

Status : Modified

Published: 2020-06-29T18:15:11.643

Modified: 2026-06-17T02:53:31.313

Link: CVE-2020-13657

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

NVD-CWE-noinfo

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