CVE-2014-4172: apereo java_cas_client Injection
Vulnerability summary
CVE-2014-4172 is a critical (CVSS 9.8) Injection vulnerability in apereo java_cas_client. EPSS estimates a 6.06% chance of exploitation in the next 30 days, higher than 93.3% of scored vulnerabilities.
Timeline
- 24-01-2020PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
6 scores · 5 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · MavenEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · NugetEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
6.06%
Chance of exploitation in the next 30 days
Percentile
93%
Versus all other CVEs
30-day change
0.00 pp
From 6.06% on 20-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Apereo3 products
- java_cas_client< 3.3.2
- .net_cas_client< 1.0.2
- phpcas< 1.3.3
Debian2 products
- php-cas< 1.3.3-1 | < 1.3.1-4+deb7u1
- debian_linuxEOL7.0
Mageia2 products
- php-pear-CAS< 1.3.3-1.mga3
- php-pear-CAS< 1.3.3-1.mga4
Fedoraproject1 product
- fedoraEOL20
Jasig1 product
- phpcas< 1.3.3
NuGet1 product
- DotNetCasClient< 1.0.2
Org.jasig.cas1 product
- cas-client< 3.3.2
Ubuntu1 product
- php-cas< 1.3.3-1
8 vendors · 12 products
References
19 links- www.mail-archive.com/cas-user%40lists.jasig.org/msg17338.htmlX Refsource MISC
- github.com/Jasig/dotnet-cas-client/commit/f0e030014fb7a39e5f38469f43199dc590fd0e8dX Refsource MISCPatchThird Party AdvisoryWEB
- github.com/Jasig/java-cas-client/commit/ae37092100c8eaec610dab6d83e5e05a8ee58814X Refsource MISCPatchThird Party AdvisoryWEB
- github.com/Jasig/phpCAS/blob/master/docs/ChangeLogX Refsource MISCRelease NotesThird Party AdvisoryWEB
- lists.fedoraproject.org/pipermail/package-announce/2014-August/137182.htmlX Refsource MISCThird Party AdvisoryWEB
