{"cve":"CVE-2021-30121","nvd":{"published":"2021-07-09T14:15:07.930","modified":"2026-06-17T03:49:42.293","status":"Modified","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","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","score":6.5},"cwes":["CWE-829"],"references":["https://csirt.divd.nl/2021/07/07/Kaseya-Limited-Disclosure/","https://csirt.divd.nl/CVE-2021-30121","https://csirt.divd.nl/DIVD-2021-00011","https://csirt.divd.nl/2021/07/07/Kaseya-Limited-Disclosure/","https://csirt.divd.nl/CVE-2021-30121"],"products":["kaseya:vsa"],"source":"nvd","synced_at":"2026-10-19T21:21:13.713336758+00:00"},"epss":{"cve":"CVE-2021-30121","score":0.04962,"percentile":0.92185,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}