CVE-2021-20670 json
Improper access control vulnerability in GROWI versions v4.2.2 and earlier allows a remote unauthenticated attacker to read the user's pers…
published 2021-03-10 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-8088
- cvss
- 7.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.6%
- EPSS 1.6% chance of exploitation in 30 days, percentile 75%
- public exploits
- 0
- none known
Summary
Improper access control vulnerability in GROWI versions v4.2.2 and earlier allows a remote unauthenticated attacker to read the user's personal information and/or server's internal information via unspecified vectors.
Exploit prediction
1.56% chance of exploitation in the next 30 days, higher than 75% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:P/I:N/A:N |
Affected products
- WESEEK, Inc. GROWI
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
Sources
- CVE List CVE-2021-20670
- NVD CVE-2021-20670
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