CVE-2021-30118

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

60.35% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 99.1% of scored records. A rank, not a probability.

NVD base score

9.8 (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:H/I:H/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

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 13:19Z5 YR AGO

Last updated

2024-08-03 22:24Z2 YR AGO

Reserved

2021-04-02

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Critical (CVSS 9.8)

CNA CVSS vector

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

Weaknesses

• CWE-434Unrestricted Upload of File with Dangerous TypeBase

Data version

5.1

Document digest

8e2f1cc939902d0d758393c7a457ab19bd771fbbdb02ec82835ac21529c76469

• csirt.divd.nlhttps://csirt.divd.nl/2021/07/07/Kaseya-Limited-Disclosure/x_refsource_CONFIRM
• csirt.divd.nlhttps://csirt.divd.nl/CVE-2021-30118x_refsource_CONFIRM
• csirt.divd.nlhttps://csirt.divd.nl/DIVD-2021-00011x_refsource_CONFIRM
• helpdesk.kaseya.comhttps://helpdesk.kaseya.com/hc/en-gb/articles/360019054377-9-5-5-Feature-Release-10-April-2021x_refsource_CONFIRM