VULNERABILITY INTELLIGENCE
CVE-2021-30121
CVSS score6.5 MEDIUM
EPSS probability4.96%
CISA KEVNot currently listed
Published2021-07-09
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
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
Weakness classification
- CWE-829: Inclusion of Functionality from Untrusted Control Sphere
Primary references
- cve@mitre.org — Patch, Third Party Advisory
- cve@mitre.org — Exploit, Third Party Advisory
- cve@mitre.org — Patch, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Patch, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Exploit, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Patch, Third Party Advisory