CRITICALCVSS 10.0Actively exploited · CISA KEV since 2021-11-03Vulnerability
CVE-2021-30116
Kaseya Virtual System/Server Administrator (VSA) contains an information disclosure vulnerability allowing an attacker to obtain the sessionId that can be used to execute further attacks against the system.
Properties
- Vulnerability name
- Kaseya Virtual System/Server Administrator (VSA) Information Disclosure Vulnerability
- First seen
- 2026-08-14T03:55:30+00:00
- Cvss score
- 10
- Epss score
- 0.85735
- Last seen
- 2026-10-19T12:00:27+00:00
- Due date
- 2021-11-17
- Euvd assigner
- mitre
- Retrieved at
- 2026-10-21T01:24:47+00:00
- Exploited euvd since
- 2021-11-03T00:00:00+00:00
- Src batch id
- epss_history-20261020T103617Z-728ddd
- Source url
- https://epss.empiricalsecurity.com/epss_scores-2026-10-19.csv.gz
- Date added
- 2021-11-03
- Euvd base score version
- 3.1
- Score
- 10
- Fetched at
- 2026-10-20T10:36:20+00:00
- Cvss vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
- In Signal since
- initial import (Sep 2026)
- Euvd base score
- 10
- Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
- Vendor project
- Kaseya
Related Entities (5)
AFFECTS_PRODUCT (2)
DESCRIBES (1)
HAS_WEAKNESS (1)
INVOLVES (1)
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