What’s Vulnerable › Vulnerabilities

CVE-2023-49583: Escalation of Privileges in SAP BTP Security Services Integration Library ([Node.js] @sap/xssec)

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-12-12 · updated 2026-06-17
• Weakness: CWE-749

Description

SAP BTP Security Services Integration Library ([Node.js] @sap/xssec - versions < 3.6.0, allow under certain conditions an escalation of privileges. On successful exploitation, an unauthenticated attacker can obtain arbitrary permissions within the application.

Affected products

• SAP @Sap/Xssec: before 3.6.0 — fixed in 3.6.0

How to fix

Upgrade to a fixed version: SAP @Sap/Xssec 3.6.0. Check the vendor advisory for mitigations.

References

• https://blogs.sap.com/2023/12/12/unveiling-critical-security-updates-sap-btp-security-note-3411067/
• https://me.sap.com/notes/3411067
• https://me.sap.com/notes/3412456
• https://me.sap.com/notes/3413475
• https://www.npmjs.com/package/@sap/xssec
• https://www.sap.com/documents/2022/02/fa865ea4-167e-0010-bca6-c68f7e60039b.html
• https://blogs.sap.com/2023/12/12/unveiling-critical-security-updates-sap-btp-security-note-3411067/
• https://me.sap.com/notes/3411067
• https://me.sap.com/notes/3412456
• https://me.sap.com/notes/3413475
• https://www.npmjs.com/package/@sap/xssec
• https://www.sap.com/documents/2022/02/fa865ea4-167e-0010-bca6-c68f7e60039b.html

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