Medium severity6.5NVD Advisory· Published Jul 9, 2021· Updated Jun 17, 2026

CVE-2021-30121

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

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Kaseya/VSA
cpe:2.3:a:kaseya:vsa:*:*:*:*:-:*:*:*
Range: <9.5.6
Kaseya/VSAdescription
Kaseya/KLCllm-create

Patches

Vulnerability mechanics

References

csirt.divd.nl/2021/07/07/Kaseya-Limited-Disclosure/nvdPatchThird Party Advisory
csirt.divd.nl/DIVD-2021-00011nvdPatchThird Party Advisory
csirt.divd.nl/CVE-2021-30121nvdExploitThird Party Advisory

News mentions

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epss	0.004
exploit	0.000
kev	0.000
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ransomware	0.000