Coverage › CVE-2021-30116
CVE-2021-30116 Unmapped
Kaseya Virtual System/Server Administrator (VSA) Information Disclosure Vulnerability
- Vendor / product
- Kaseya — Virtual System/Server Administrator (VSA)
- Description (CISA)
- 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.
- Added to KEV
- 2021-11-03
- Due date
- 2021-11-17
- Required action
- Apply updates per vendor instructions.
- Known ransomware use
- Known
- CWE
- CWE-522
- CISA notes
- https://nvd.nist.gov/vuln/detail/CVE-2021-30116
- Elsewhere
- cve.org · NVD · CISA KEV · JSON
ATT&CK techniques
No public source states how this vulnerability is exploited in ATT&CK terms.
The only authoritative CVE → ATT&CK mapping in the open — CTID's Mappings Explorer, pinned to a KEV snapshot of 2025-07-28 and ATT&CK 16.1 — does not include CVE-2021-30116. CISA's catalogue carries no technique field. kevmap does not infer techniques from the CWE (CWE-522) — here is why — and does not guess.
This page will change state automatically if a mapping is published. What is shown above is everything CISA publishes about the entry.