CVE-2021-30120

Exploitation

Active exploitation reported. CISA's assessment records credible evidence of exploitation. This record is not in the KEV catalog.

SSVC decision

• ExploitationactiveCISA reports credible evidence of active exploitation.
• AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
• Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

5.70% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 92.8% of scored records. A rank, not a probability.

NVD base score

7.5 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

NVD analysis status

Modified. NVD last modified this record on 2026-08-14.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2021-07-09 13:22Z5 YR AGO

Last updated

2026-08-14 03:55Z2 MO AGO

Reserved

2021-04-02

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Critical (CVSS 9.9)

CNA CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Weaknesses

No CWE assigned

Data version

5.2

Document digest

2ac32a9c756d36baf2d021b8f8915f8406c3c06fe462be48b1dd0e5b5cf59985

• csirt.divd.nlhttps://csirt.divd.nl/2021/07/07/Kaseya-Limited-Disclosure/x_refsource_CONFIRM
• csrit.divd.nlhttps://csrit.divd.nl/DIVD-2021-00011x_refsource_CONFIRM
• csrit.divd.nlhttps://csrit.divd.nl/CVE-2021-30120x_refsource_CONFIRM