What is CVE-2021-30116?

CVE-2021-30116 is a critical-severity vulnerability in N/a. CVSS score: 10.0/10. Published 2021-07-09.

How severe is CVE-2021-30116?

Critical severity. CVSS v3 base score is 10.0 out of 10.

Is CVE-2021-30116 known to be exploited?

Yes. CVE-2021-30116 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2021-11-03), indicating it is being actively exploited. 9 public proof-of-concept repositories are indexed.

Vulnerability in N/a

CVE-2021-30116

Kaseya VSA before 9.5.7 allows credential disclosure, as exploited in the wild in July 2021. By default Kaseya VSA on premise offers a download page where the clients for the installation can be downloaded. The default URL for this page is…

EPSS: 0.541 (98.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 10.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H.

Affected products

N/a — versions n/a

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on 2021-11-03. CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.

BOD 22-01 due date: 2021-11-17.

Required action: Apply updates per vendor instructions.

Known ransomware campaign use: yes.

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-30116?: CVE-2021-30116 is a critical-severity vulnerability in N/a. CVSS score: 10.0/10. Published 2021-07-09.
How severe is CVE-2021-30116?: Critical severity. CVSS v3 base score is 10.0 out of 10.
Is CVE-2021-30116 known to be exploited?: Yes. CVE-2021-30116 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2021-11-03), indicating it is being actively exploited. 9 public proof-of-concept repositories are indexed.