CVE-2021-40639

Improper access control in Jfinal CMS 5.1.0 allows attackers to access sensitive information via /classes/conf/db.properties&config=filemanager.config.js.

CVSS v3.1

7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CVSS v2.0

5.0 MEDIUMAV:N/AC:L/Au:N/C:P/I:N/A:N

EPSS

1.20% chance of exploitation in the next 30 days, 66th percentile

Published

2021-09-15

Updated

2026-07-09

Proof-of-concept exploits (1)

• jflyfox/jfinal_cms/issues/27

References

• CVE Record
• NVD entry

Related

• CVE-2021-42242
• CVE-2022-38272
• CVE-2022-38273
• CVE-2022-38274
• CVE-2022-38275
• CVE-2022-38276