CVE-2021-30121
(Semi-)Authenticated local file inclusion in Kaseya VSA < v9.5.6
MEDIUM
6.5
CVSS Score
Published: July 9, 2021 at 01:24 PM UTC
Updated: June 17, 2026 at 03:49 AM UTC
1 product affected across 1 vendorVsa
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Severity
MEDIUM6.5
Exploit prediction
EPSS 5%
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
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (3)
x_refsource_MISCx_refsource_CONFIRMPatchThird Party Advisory
Source: [email protected]
https://csirt.divd.nl/2021/07/07/Kaseya-Limited-Disclosure/x_refsource_CONFIRMExploitThird Party Advisory
Source: [email protected]
https://csirt.divd.nl/CVE-2021-30121x_refsource_CONFIRMPatchThird Party Advisory
Source: [email protected]
https://csirt.divd.nl/DIVD-2021-00011CVSS
6.5MEDIUMmitre
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- NONE
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-829
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