What’s Vulnerable › Vulnerabilities

CVE-2021-40101

• Severity: high (CVSS 7.2 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-11-30 · updated 2026-06-17
• Weakness: CWE-732

Description

An issue was discovered in Concrete CMS before 8.5.7. The Dashboard allows a user's password to be changed without a prompt for the current password.

Affected products

• Concrete CMS: before 8.5.7 — fixed in 8.5.7

How to fix

Upgrade to a fixed version: Concrete CMS 8.5.7. Check the vendor advisory for mitigations.

References

• https://documentation.concretecms.org/developers/introduction/version-history/857-release-notes
• https://hackerone.com/reports/1065577
• https://documentation.concretecms.org/developers/introduction/version-history/857-release-notes
• https://hackerone.com/reports/1065577

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