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)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.019 (78.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 79th percentile — 78.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.018 · newest: 0.019 · change: +0.001
Affected products
- Weseek Growi — versions 4.2.2
- Weseek, Inc. Growi — versions versions v4.2.2 and earlier
Weakness classification (CWE)
References
- weseek.co.jp/security/2021/03/08/vulnerability/growi-prevent-multiple-xss/ (Vendor Advisory)
- jvn.jp/en/vu/JVNVU94889258/index.html (Third Party Advisory)
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.