What’s Vulnerable › Vulnerabilities

CVE-2017-1000071

• Severity: high (CVSS 8.1 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2017-07-17 · updated 2026-06-17
• Weakness: CWE-287

Description

Jasig phpCAS version 1.3.4 is vulnerable to an authentication bypass in the validateCAS20 function when configured to authenticate against an old CAS server.

Affected products

• apereo phpCAS: 1.3.4

References

• http://www.securityfocus.com/bid/99609
• https://github.com/Jasig/phpCAS/blob/master/docs/ChangeLog
• https://github.com/Jasig/phpCAS/issues/228
• http://www.securityfocus.com/bid/99609
• https://github.com/Jasig/phpCAS/blob/master/docs/ChangeLog
• https://github.com/Jasig/phpCAS/issues/228

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