Improper JWT Signature Validation in SAP Security Services Library
Impact
SAP BTP Security Services Integration Library ([Java] cloud-security-services-integration-library) allows under certain conditions an escalation of privileges. On successful exploitation, an unauthenticated attacker can obtain arbitrary permissions within the application.
Patches
Upgrade to patched version >= 2.17.0 or >= 3.3.0 We always recommend to upgrade to the latest released version.
Workarounds
No workarounds
References
Affected software
Click a technology to see all vulnerabilities affecting it.
| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Java / Kotlin (Maven) | com.sap.cloud.security:java-security | < 2.17.0, >= 3.0.0, < 3.3.0 | 2.17.0, 3.3.0 |
| Java / Kotlin (Maven) | com.sap.cloud.security:spring-security | < 2.17.0, >= 3.0.0, < 3.3.0 | 2.17.0, 3.3.0 |
| Java / Kotlin (Maven) | com.sap.cloud.security.xsuaa:spring-xsuaa | < 2.17.0, >= 3.0.0, < 3.3.0 | 2.17.0, 3.3.0 |
References
- https://github.com/SAP/cloud-security-services-integration-library/security/advisories/GHSA-59c9-pxq8-9c73
- https://nvd.nist.gov/vuln/detail/CVE-2023-50422
- https://github.com/SAP/cloud-security-services-integration-library/commit/4b3e42ab23df6418243b29908b1a2582818d9360
- https://github.com/SAP/cloud-security-services-integration-library/commit/7ce9601979c30ae269a1cbaf7cf33486d10736f1
- https://blogs.sap.com/2023/12/12/unveiling-critical-security-updates-sap-btp-security-note-3411067
- https://en.wikipedia.org/wiki/JSON_Web_Token
- https://github.com/SAP/cloud-security-services-integration-library
- https://me.sap.com/notes/3411067
- https://me.sap.com/notes/3413475
- https://mvnrepository.com/artifact/com.sap.cloud.security.xsuaa/spring-xsuaa
- https://mvnrepository.com/artifact/com.sap.cloud.security/java-security
- https://mvnrepository.com/artifact/com.sap.cloud.security/spring-security
- https://www.sap.com/documents/2022/02/fa865ea4-167e-0010-bca6-c68f7e60039b.html
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N- Weakness (CWE)
CWE-269- Platform
- Java / Kotlin (Maven)
- Package
com.sap.cloud.security:java-security, com.sap.cloud.security:spring-security, com.sap.cloud.security.xsuaa:spring-xsuaa- Disclosed
- 13.12.2023
- Updated
- 11.10.2026 12:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-59c9-pxq8-9c73 - CC BY 4.0
Vulnerability history: com.sap.cloud.security:spring-security
All published vulnerabilities of this package (Java / Kotlin (Maven)), newest first. Shows whether this is a one-off slip or a package that needs watching.
This is the only known vulnerability of this package.
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