CVE-2021-20671 — HIGH (7.2)

Vulnerability 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.

CVSS Score

7.2

HIGH

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Weseek	Growi	4.2.2

Related Weaknesses (CWE)

CWE-20

References

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

FAQ

What is CVE-2021-20671?

CVE-2021-20671 is a vulnerability with a CVSS score of 7.2 (HIGH). 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 exe...

How severe is CVE-2021-20671?

CVE-2021-20671 has been rated HIGH with a CVSS base score of 7.2/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-20671?

Check the references section above for vendor advisories and patch information. Affected products include: Weseek Growi.