CVE-2021-20670
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.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.56%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 1.56% probability · 75th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Affected
- weseek/growi
- Source
- vultures@jpcert.or.jp
EPSS 1.6% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
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
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.