Vulnerability in SAP Web Dispatcher
CVE-2023-33987
An unauthenticated attacker in SAP Web Dispatcher - versions WEBDISP 7.49, WEBDISP 7.53, WEBDISP 7.54, WEBDISP 7.77, WEBDISP 7.81, WEBDISP 7.85, WEBDISP 7.88, WEBDISP 7.89, WEBDISP 7.90, KERNEL 7.49, KERNEL 7.53, KERNEL 7.54 KERNEL 7.77, KERNEL 7.81, KERNEL 7.85, KERNEL 7.88, KERNEL 7.89, KERNEL 7.90, KRNL64NUC 7.49, KRNL64UC 7.49, KRNL64UC 7.53, HDB 2.00, XS_ADVANCED_RUNTIME 1.00, SAP_EXTENDED_APP_SERVICES 1, can submit a malicious crafted request over a network to a front-end server which may, over several attempts, result in a back-end server confusing the boundaries of malicious and legitimate messages. This can result in the back-end server executing a malicious payload which can be used to read or modify information on the server or make it temporarily unavailable.
Vulnerability class: HTTP Request Smuggling
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.007 (50.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 51st percentile — 50.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000
Affected products
- SAP Web Dispatcher — versions 7.49, 7.53, 7.54
- SAP Se Web Dispatcher — versions WEBDISP 7.49, WEBDISP 7.53, WEBDISP 7.54
Weakness classification (CWE)
References
- me.sap.com/notes/3233899 (Permissions Required)
- www.sap.com/documents/2022/02/fa865ea4-167e-0010-bca6-c68f7e60039b.html (Vendor Advisory)
Frequently asked questions
- What is CVE-2023-33987?
- CVE-2023-33987 is a high-severity vulnerability in SAP Web Dispatcher, classified under Inconsistent Interpretation of HTTP Requests (HTTP Request/Response Smuggling). CVSS score: 8.6/10. Published 2023-07-11.
- How severe is CVE-2023-33987?
- High severity. CVSS v3 base score is 8.6 out of 10.