cas-client: Bypass of security constraints via URL parameter injection
Published Jan 24, 2020
9.8
CRITICALCVSS 3.1
EPSS 6.06%
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 products
No data.
Configuration 1
- < 1.0.2
- < 3.3.2
- < 1.3.3
Configuration 2
- 7.0
- 20
No data.
Red Hat JBoss Portal 6.2
cas-client
Fixed · RHSA-2015:1009
Red Hat Enterprise Virtualization 3
jasperreports-server-pro
Will not fix
Red Hat JBoss Portal 5
cas-client
Affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat JBoss Portal 6.2 | cas-client | Fixed | RHSA-2015:1009 |
| Red Hat Enterprise Virtualization 3 | jasperreports-server-pro | Will not fix | n/a |
| Red Hat JBoss Portal 5 | cas-client | Affected | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:P/I:P/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (15 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 6.06% (0.06057) | 93.16th | v5 (v2026.06.15) |
| Jun 15, 2026 | 6.06% (0.06057) | 92.43th | v5 (v2026.06.15) |
| Apr 22, 2026 | 12.68% (0.12676) | 94.01th | v4 (v2025.03.14) |
| Mar 30, 2025 | 6.74% (0.06742) | 90.38th | v4 (v2025.03.14) |
| Mar 29, 2025 | 11.89% (0.11890) | 89.54th | v4 (v2025.03.14) |
| Mar 17, 2025 | 6.74% (0.06742) | 90.59th | v4 (v2025.03.14) |
| Dec 12, 2024 | 2.41% (0.02412) | 90.31th | v3 (v2023.03.01) |
| May 19, 2024 | 2.41% (0.02412) | 89.90th | v3 (v2023.03.01) |
| Apr 20, 2024 | 1.71% (0.01715) | 87.67th | v3 (v2023.03.01) |
| Nov 8, 2023 | 1.70% (0.01700) | 86.30th | v3 (v2023.03.01) |
| May 8, 2023 | 1.99% (0.01995) | 87.09th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.80% (0.01797) | 86.20th | v3 (v2023.03.01) |
| Mar 6, 2023 | 2.17% (0.02172) | 80.77th | v2 (v2022.01.01) |
| Apr 1, 2022 | 2.17% (0.02172) | 78.91th | v2 (v2022.01.01) |
| Feb 4, 2022 | 2.17% (0.02172) | 57.73th | v2 (v2022.01.01) |
References (17)
- http://lists.fedoraproject.org/pipermail/package-announce/2014-August/137182.html x_refsource_MISCThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2014-4172 Vendor Advisory
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=759718 x_refsource_MISCThird Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1131350 x_refsource_MISCIssue TrackingThird Party Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/95673 x_refsource_MISCThird Party AdvisoryVDB Entry
- https://github.com/Jasig/dotnet-cas-client/commit/f0e030014fb7a39e5f38469f43199dc590fd0e8d x_refsource_MISCPatchThird Party Advisory
- https://github.com/Jasig/java-cas-client/commit/ae37092100c8eaec610dab6d83e5e05a8ee58814 x_refsource_MISCPatchThird Party Advisory
- https://github.com/Jasig/phpCAS/blob/master/docs/ChangeLog x_refsource_MISCRelease NotesThird Party Advisory
- https://github.com/Jasig/phpCAS/pull/125 x_refsource_MISCThird Party Advisory
- https://github.com/advisories/GHSA-9fc5-q25c-r2wr Advisory
- https://github.com/apereo/java-cas-client/commit/266eba7c2d870d70caba6f41576d19f2fcc869b1
- https://issues.jasig.org/browse/CASC-228 x_refsource_MISCThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2014-4172
- https://www.cve.org/CVERecord?id=CVE-2014-4172
- https://www.debian.org/security/2014/dsa-3017.en.html x_refsource_MISCThird Party Advisory
- https://www.mail-archive.com/cas-user%40lists.jasig.org/msg17338.html x_refsource_MISC
- https://www.mail-archive.com/cas-user@lists.jasig.org/msg17338.html
Change history (0)
No recorded changes yet.