Review reviewHigh

CVE-2021-40639

jfinal cms

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
7.5
EPSS
1.19%
64.9% percentile
CISA KEV
Not listed
Published
2021.09.16
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability1.19%
Technical severityCVSS 7.5

Vulnerability overview

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

Affected product and versions

Product
jfinal cms
Affected versions
5.1.0
Fixed versions
No verified fixed-version field is available yet

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that jfinal cms and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CWE
CWE-668, CWE-863