VulnerabilityModified
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.
HIGH 7.2EPSS 1.84%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.84%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 3.1
- 7.2 HIGHCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 1.84% probability · 78th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- weseek/growi
- Source
- vultures@jpcert.or.jp
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. Refreshed daily.