CVE-2023-50423 is a critical-severity (CVSS 9.1) CWE-749 vulnerability in sap-xssec. A fix is available for sap-xssec — see the affected versions and patch details below.
Escalation of Privileges in SAP BTP Security Services Integration Library ([Python] cloud-pysec)
Exploitation Status
No confirmed exploitation observed yet
- CISA assesses this as automatable — exploitation doesn’t require manual, per-target effort, which raises the odds of mass scanning and opportunistic attacks.
- A successful exploit gives an attacker total control of the affected component, not partial access.
- CISA’s own triage has not observed active exploitation or public proof-of-concept code for this CVE as of its last assessment.
Exploitation and automatability from CISA’s SSVC triage for CVE-2023-50423.
EPSS Exploitation Probability
Probability of exploitation in the next 30 days, from FIRST.org EPSS.
How urgent is this, really
Where this sits among everything scored
Real-World Exposure
sap-xssecReal-time download stats are indexed for npm and PyPI packages. This vulnerability affects PyPI packages — download data is not available via public APIs for these ecosystems.
Description
Impact
SAP BTP Security Services Integration Library ([Python] sap-xssec) 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 >= 4.1.0 We always recommend to upgrade to the latest released version.
Workarounds
No workarounds
References
Affected Packages
| Ecosystem | Package | Vulnerable range | Fix |
|---|---|---|---|
| 🐍PyPI | sap-xssec | all versions | 4.1.0pip install --upgrade 'sap-xssec==4.1.0' |
Affected Products
sap-xssecsapDetection & mitigation playbook
Open-source dependencyDetect
Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for sap-xssec, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.
Fix
Update sap-xssec to 4.1.0 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2023-50423 is resolved across your whole dependency graph.
Workarounds
If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.
Frequently Asked Questions
Is CVE-2023-50423 in your dependencies?
Find it across PyPI, including transitive dependencies.