CVE-2021-30116 — Kaseya Virtual System/Server Administrator (VSA) Information Disclosure Vulnerability
CVE-2021-30116: Kaseya Virtual System/Server Administrator (VSA) Information Disclosure Vulnerability
CISA Known Exploited Vulnerability (KEV)
| Vendor / project | Kaseya |
| Product | Virtual System/Server Administrator (VSA) |
| Date added | 2021-11-03 |
| Due date | 2021-11-17 |
| Ransomware campaign use | Known |
Description
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.
Required action (CISA)
Apply updates per vendor instructions.
Notes
https://nvd.nist.gov/vuln/detail/CVE-2021-30116
Weakness behind it
CISA records this vulnerability as an instance of CWE-522. From there the chain continues into CAPEC attack patterns and ATT&CK techniques, all inside this corpus.
References
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-30116
- KEV catalog: https://www.cisa.gov/known-exploited-vulnerabilities-catalog
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