CVE-2021-20671

HighCVSS 7.2/10Last modified Jun 17, 2026

Description

Invalid file validation on the upload feature in GROWI versions v4.2.2 allows a remote attacker with administrative privilege to overwrite the files on the server, which may lead to arbitrary code execution.

Metrics

CVSS 3.1 7.2/10CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-20

Affected software

Vendor	Product	Versions
WESEEK, Inc.	GROWI	versions v4.2.2 and earlier

References

https://jvn.jp/en/vu/JVNVU94889258/index.htmlThird Party Advisory
https://weseek.co.jp/security/2021/03/08/vulnerability/growi-prevent-multiple-xss/Vendor Advisory
https://jvn.jp/en/vu/JVNVU94889258/index.htmlThird Party Advisory
https://weseek.co.jp/security/2021/03/08/vulnerability/growi-prevent-multiple-xss/Vendor Advisory

Timeline

Published: Mar 10, 2021
Last modified: Jun 17, 2026
NVD status: Modified

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