CVE-2014-4172

CRITICAL
9.8
CVSS Score
Published: January 24, 2020 at 06:29 PM UTC
Updated: June 17, 2026 at 12:09 AM UTC
5 products affected across 3 vendorsDebian LinuxFedoraPhpcas

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Severity
CRITICAL9.8
Exploit prediction
EPSS 6%

Description

A URL parameter injection vulnerability was found in the back-channel ticket validation step of the CAS protocol in Jasig Java CAS Client before 3.3.2, .NET CAS Client before 1.0.2, and phpCAS before 1.3.3 that allow remote attackers to inject arbitrary web script or HTML via the (1) service parameter to validation/AbstractUrlBasedTicketValidator.java or (2) pgtUrl parameter to validation/Cas20ServiceTicketValidator.java.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 3.3.2
Affected range stops below 3.3.2, so it looks safe — our inference, not a vendor statement
v < 1.0.2
Affected range stops below 1.0.2, so it looks safe — our inference, not a vendor statement
v < 1.3.3
Affected range stops below 1.3.3, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-74

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