CVE-2021-30121

(Semi-)Authenticated local file inclusion in Kaseya VSA < v9.5.6

View on CVE.org

Published Jul 9, 2021 CVSS 3.1 · 6.5 Medium EPSS 5.0% KEV · Not listed

Description

Semi-authenticated local file inclusion The contents of arbitrary files can be returned by the webserver Example request: `https://x.x.x.x/KLC/js/Kaseya.SB.JS/js.aspx?path=C:\Kaseya\WebPages\dl.asp` A valid sessionId is required but can be easily obtained via CVE-2021-30118

Affected Products

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 [-]

cpe:2.3:a:kaseya:vsa:*:*:*:*:-:*:*:*

No data.

No data available yet.

Remediation

Vendor Solution

Upgrade to a version above 9.5.6

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2021-17061	Semi-authenticated local file inclusion The contents of arbitrary files can be returned by the webserver Example request: `https://x.x.x.x/KLC/js/Kaseya.SB.JS/js.aspx?path=C:\Kaseya\WebPages\dl.asp` A valid sessionId is required but can be easily obtained via CVE-2021-30118

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication Single

Confidentiality Impact Partial

Integrity Impact None

Availability Impact None

This CVE is not in the KEV list.

Exploit prediction score: 5.0% (4.962% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
https://csirt.divd.nl/2021/07/07/Kaseya-Limited-Disclosure/
https://csirt.divd.nl/CVE-2021-30121
https://csirt.divd.nl/DIVD-2021-00011

History

No history.

Subscriptions

Kaseya Vsa

Weaknesses

CWE-829

Sources

CVE record Updated: Aug 3, 2024, 10:24 PM

Status: PUBLISHED
Assigner: mitre
Published: Jul 9, 2021, 1:24 PM
Updated: Aug 3, 2024, 10:24 PM
Reserved: Apr 2, 2021, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 3:49 AM

Status: Modified
Published: Jul 9, 2021, 2:15 PM
Modified: Jun 17, 2026, 3:49 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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