Server-side Request Forgery (SSRF) Affecting concrete5/concrete5 package, versions <8.5.5


Severity

Recommended
0.0
low
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.21% (60th percentile)

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  • Snyk IDSNYK-PHP-CONCRETE5CONCRETE5-1730577
  • published13 Oct 2021
  • disclosed12 Oct 2021
  • creditUnknown

Introduced: 12 Oct 2021

CVE-2021-22958  (opens in a new tab)
CWE-918  (opens in a new tab)

How to fix?

Upgrade concrete5/concrete5 to version 8.5.5 or higher.

Overview

concrete5/concrete5 is a concrete5 open source CMS.

Affected versions of this package are vulnerable to Server-side Request Forgery (SSRF) which allows a decimal notation encoded IP address to bypass the limitations in place for localhost, allowing interaction with local services.

CVSS Scores

version 3.1