What’s Vulnerable › Vulnerabilities

CVE-2017-17734

• Severity: critical (CVSS 9.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2017-12-18 · updated 2026-06-17
• Weakness: CWE-200

Description

CMS Made Simple (CMSMS) before 2.2.5 does not properly cache login information in sessions.

Affected products

• CMS Made Simple: before 2.2.5 — fixed in 2.2.5

How to fix

Upgrade to a fixed version: CMS Made Simple 2.2.5. Check the vendor advisory for mitigations.

References

• https://forum.cmsmadesimple.org/viewtopic.php?f=1&t=77737
• https://www.cmsmadesimple.org/2017/12/Announcing-CMSMS-v2.2.5-Wawa
• https://forum.cmsmadesimple.org/viewtopic.php?f=1&t=77737
• https://www.cmsmadesimple.org/2017/12/Announcing-CMSMS-v2.2.5-Wawa

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