CVE-2023-50422 — Improper JWT Signature Validation in...
CRITICAL
Improper JWT Signature Validation in SAP Security Services Library
Published December 13, 2023Updated July 8, 2026Source: osv
Summary
### 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
https://www.cve.org/CVERecord?id=CVE-2023-50422
Advisory Timeline
- First published December 13, 2023 (1034 days ago).
- Last revised July 8, 2026 — 938 days after initial publication.
Remediation
Upgrade to the fixed version using your package manager.
Maven
Update com.sap.cloud.security:java-security to 2.17.0 or later<!-- Update pom.xml dependency version to 2.17.0 for com.sap.cloud.security:java-security -->
Maven
Update com.sap.cloud.security:spring-security to 2.17.0 or later<!-- Update pom.xml dependency version to 2.17.0 for com.sap.cloud.security:spring-security -->
Maven
Update com.sap.cloud.security.xsuaa:spring-xsuaa to 2.17.0 or later<!-- Update pom.xml dependency version to 2.17.0 for com.sap.cloud.security.xsuaa:spring-xsuaa -->
Maven
Update com.sap.cloud.security.xsuaa:spring-xsuaa to 3.3.0 or later<!-- Update pom.xml dependency version to 3.3.0 for com.sap.cloud.security.xsuaa:spring-xsuaa -->
Maven
Update com.sap.cloud.security:spring-security to 3.3.0 or later<!-- Update pom.xml dependency version to 3.3.0 for com.sap.cloud.security:spring-security -->
Maven
Update com.sap.cloud.security:java-security to 3.3.0 or later<!-- Update pom.xml dependency version to 3.3.0 for com.sap.cloud.security:java-security -->
After upgrading, run your dependency scanner again to confirm the vulnerability is resolved.
Affected Packages (6)
Affects 1 ecosystem: maven (3).
| Package | Ecosystem | Affected | Fixed In |
|---|---|---|---|
| com.sap.cloud.security:java-security | maven | 2.10.0, 2.10.1, 2.10.2, 2.10.3 (+68 more) | 2.17.0 |
| com.sap.cloud.security:spring-security | maven | 0.1.0, 0.1.1, 0.1.2, 0.1.3 (+46 more) | 2.17.0 |
| com.sap.cloud.security.xsuaa:spring-xsuaa | maven | 1.1.0, 1.1.0.RC1, 1.2.0, 1.3.0 (+83 more) | 2.17.0 |
| com.sap.cloud.security.xsuaa:spring-xsuaa | maven | 3.0.0, 3.0.1, 3.1.0, 3.1.1 (+4 more) | 3.3.0 |
| com.sap.cloud.security:spring-security | maven | 3.0.0, 3.0.1, 3.1.0, 3.1.1 (+4 more) | 3.3.0 |
| com.sap.cloud.security:java-security | maven | 3.0.0, 3.0.1, 3.1.0, 3.1.1 (+4 more) | 3.3.0 |
Vulnerability Classification
Common Weakness Enumeration (CWE) identifiers for this vulnerability type.
- CWE-269Improper Privilege ManagementMITRE
CVSS Score Breakdown
What the CVSS (Common Vulnerability Scoring System) 9.1 score means for each attack dimension.
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
None
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
References
- https://github.com/SAP/cloud-security-services-integration-library/security/advisories/GHSA-59c9-pxq8-9c73WEB
- https://nvd.nist.gov/vuln/detail/CVE-2023-50422ADVISORY
- https://github.com/SAP/cloud-security-services-integration-library/commit/4b3e42ab23df6418243b29908b1a2582818d9360WEB
- https://github.com/SAP/cloud-security-services-integration-library/commit/7ce9601979c30ae269a1cbaf7cf33486d10736f1WEB
- https://blogs.sap.com/2023/12/12/unveiling-critical-security-updates-sap-btp-security-note-3411067WEB
- https://en.wikipedia.org/wiki/JSON_Web_TokenWEB
- https://github.com/SAP/cloud-security-services-integration-libraryPACKAGE
- https://me.sap.com/notes/3411067WEB
- https://me.sap.com/notes/3413475WEB
- https://mvnrepository.com/artifact/com.sap.cloud.security.xsuaa/spring-xsuaaWEB
- https://mvnrepository.com/artifact/com.sap.cloud.security/java-securityWEB
- https://mvnrepository.com/artifact/com.sap.cloud.security/spring-securityWEB
- https://www.sap.com/documents/2022/02/fa865ea4-167e-0010-bca6-c68f7e60039b.htmlWEB
Frequently Asked Questions
- What is CVE-2023-50422?
- Improper JWT Signature Validation in SAP Security Services Library This vulnerability has been assigned a severity rating of CRITICAL (CVSS score: 9.1/10).
- How do I check if my project is affected by CVE-2023-50422?
- CVE-2023-50422 affects com.sap.cloud.security:java-security, com.sap.cloud.security:spring-security and com.sap.cloud.security.xsuaa:spring-xsuaa. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2023-50422 and 200,000+ other known vulnerabilities.
Severity & Exploitability
CVSS Score
9.1
Exploitation is straightforward and causes maximum impact. Patch immediately.
Also Known As
GHSA-59c9-pxq8-9c73
CVE-2023-50424
GHSA-92cg-ghq6-9587
GHSA-m8rw-rcpq-2vp2
GO-2023-2400
Related CVEs
- CVE-2026-107726CRITICAL
Hazelcast allows arbitrary member memory access by low-privileged client
- CVE-2026-107282CRITICAL
AsyncHttpClient: Replay to a different host sends the original host request and credentials to the new host
Check if you're affected
Scan your dependencies to see if this vulnerability affects your projects.
Scan Your Dependencies