What is CVE-2021-20671?

CVE-2021-20671 is a high-severity vulnerability in Weseek Growi, classified under Improper Input Validation. CVSS score: 7.2/10. Published 2021-03-10.

How severe is CVE-2021-20671?

High severity. CVSS v3 base score is 7.2 out of 10.

Improper input validation in Weseek Growi

CVE-2021-20671

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.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.018 (76.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weseek Growi — versions 4.2.2
Weseek, Inc. Growi — versions versions v4.2.2 and earlier

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

vultures@jpcert.or.jp (x_refsource_MISC, Vendor Advisory)
vultures@jpcert.or.jp (Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-20671?: CVE-2021-20671 is a high-severity vulnerability in Weseek Growi, classified under Improper Input Validation. CVSS score: 7.2/10. Published 2021-03-10.
How severe is CVE-2021-20671?: High severity. CVSS v3 base score is 7.2 out of 10.