Auth bypass in SAP Netweaver Application Server For Java
CVE-2023-23857
Due to missing authentication check, SAP NetWeaver AS for Java - version 7.50, allows an unauthenticated attacker to attach to an open interface and make use of an open naming and directory API to access services which can be used to perform unauthorized operations affecting users and services across systems. On a successful exploitation, the attacker can read and modify some sensitive information but can also be used to lock up any element or operation of the system making that it unresponsive or unavailable.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.9 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:H.
EPSS exploit prediction
EPSS: 0.005 (43.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 43rd percentile — 43.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
- SAP Netweaver Application Server For Java — versions 7.50
- SAP Netweaver As For Java — versions 7.50
Weakness classification (CWE)
References
- launchpad.support.sap.com/ (Permissions Required)
- www.sap.com/documents/2022/02/fa865ea4-167e-0010-bca6-c68f7e60039b.html (Vendor Advisory)
Frequently asked questions
- What is CVE-2023-23857?
- CVE-2023-23857 is a critical-severity vulnerability in SAP Netweaver Application Server For Java, classified under Improper Authentication. CVSS score: 9.9/10. Published 2023-03-14.
- How severe is CVE-2023-23857?
- Critical severity. CVSS v3 base score is 9.9 out of 10.