What is CVE-2021-34997?

CVE-2021-34997 is a high-severity vulnerability in Commvault Commcell, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 8.8/10. Published 2022-01-13.

How severe is CVE-2021-34997?

High severity. CVSS v3 base score is 8.8 out of 10.

Arbitrary file upload in Commvault Commcell

CVE-2021-34997

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Commvault CommCell 11.22.22. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be…

Vulnerability class: Unrestricted File Upload

EPSS: 0.021 (84.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Commvault Commcell — versions 11.22.22

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

References

www.zerodayinitiative.com/advisories/ZDI-21-1332/ (x_refsource_MISC)

Frequently asked questions

What is CVE-2021-34997?: CVE-2021-34997 is a high-severity vulnerability in Commvault Commcell, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 8.8/10. Published 2022-01-13.
How severe is CVE-2021-34997?: High severity. CVSS v3 base score is 8.8 out of 10.