Central Authentication Service
CVE-2024-4399
CRITICAL
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V4 - API and Web Service URL allowlisting, SSRF prevention
MITRE ATT&CK
2 techniques across 2 tactics: Initial Access, Credential Access The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Impact | CVSS score of 9.1 (CRITICAL). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required. Public proof-of-concept exploit code is available. |
| Exploit ScenarioDerived | A remote attacker could make the server perform requests to unintended internal or external resources by sending crafted requests to the affected application. No authentication is required to exploit this vulnerability. |
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Alert meAnalysisAI
The does not validate a parameter before making a request to it, which could allow unauthenticated users to perform SSRF attack. Rated critical severity (CVSS 9.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate and allowlist destination URLs, block requests to internal networks, use network segmentation.
Affects your stack
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Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
This vulnerability is classified as Server-Side Request Forgery (SSRF) (CWE-918), which allows attackers to make the server perform requests to unintended internal or external resources. The does not validate a parameter before making a request to it, which could allow unauthenticated users to perform SSRF attack Affected products include: Apereo Central Authentication Service.
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- Exploit and PoC references, threat intelligence from 22 sources
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Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Primary rating from Vendor (wpscan) · only source for this CVE.
CVSS VectorVendor: wpscan
DescriptionCVE.org
The does not validate a parameter before making a request to it, which could allow unauthenticated users to perform SSRF attack
Threat Intelligence Overview
NVD
CVE.org
EPSS
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Server-Side Request Forgery exploits applications that fetch remote resources based on user-supplied URLs.
Affected Products (CPE)CVE.org
Multiple classes used within Apereo CAS before release 6.1.0-RC5 makes use of apache commons-lang3 RandomStringUtils for
Apereo Central Authentication Service (CAS) Server before 3.5.3 allows remote attackers to conduct LDAP injection attack
A vulnerability was found in Apereo CAS 6.6 and classified as problematic. Rated medium severity (CVSS 6.3), this vulner
Apereo CAS through 6.4.1 allows XSS via POST requests sent to the REST API endpoints. Rated medium severity (CVSS 6.1),
Improper Authentication vulnerability in Apereo CAS in jakarta.servlet.http.HttpServletRequest.getRemoteAddr method allo
A vulnerability was found in Apereo CAS 6.6. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitabl
A vulnerability has been found in Apereo CAS 6.6 and classified as problematic. Rated medium severity (CVSS 5.3), this v
Apereo CAS is an open source multilingual single sign-on solution for the web. Rated high severity (CVSS 7.5), this vuln
Apereo CAS 5.3.x before 5.3.16, 6.x before 6.1.7.2, 6.2.x before 6.2.4, and 6.3.x before 6.3.0-RC4 mishandles secret key
A vulnerability was found in Apereo CAS 5.2.6. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploita
A vulnerability was found in Apereo CAS 5.2.6. Rated medium severity (CVSS 5.1), this vulnerability is remotely exploita
A vulnerability was found in Apereo CAS 5.2.6 and classified as critical. Rated low severity (CVSS 2.3), this vulnerabil
GitHub PoC
Exploit-DB