CVE-2023-40309 Missing Authorization check in SAP CommonCryptoLib
An authenticated attacker can bypass authorization checks in SAP CommonCryptoLib to escalate privileges and access restricted data.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-40309?
CVE-2023-40309 is a critical missing authorization vulnerability in Sap Netweaver Application Server Abap, published on 12 Sep 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-863
Which versions are affected by CVE-2023-40309?
It affects 9 products.
Products include Sap Commoncryptolib, Sap Content Server, Sap Extended Application Services and Runtime, Sap Hana Database, Sap Host Agent, Sap Netweaver Application Server Abap and 3 more.
How do I fix CVE-2023-40309?
No fix has been published for CVE-2023-40309 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2023-40309 being exploited?
There is no known exploitation of CVE-2023-40309 in the wild and no public exploit code.
Other vulnerabilities in Sap Netweaver Application Server Abap
Sources
Also known as GHSA-42qx-rv8j-r8f3.