CVE-2023-0014: sap netweaver abap server and abap platform Authentication Bypass by Capture-replay

Vulnerability summary

CVE-2023-0014 is a critical (CVSS 9.8) Authentication Bypass by Capture-replay vulnerability in sap netweaver abap server and abap platform. EPSS estimates a 0.71% chance of exploitation in the next 30 days, higher than 53% of scored vulnerabilities.

Timeline

1. 10-01-2023
   PublishedVulnerability first disclosed.
2. 09-04-2025
   Last modifiedVulnerability information updated.

Description

SAP NetWeaver ABAP Server and ABAP Platform - versions SAP_BASIS 700, 701, 702, 710, 711, 730, 731, 740, 750, 751, 752, 753, 754, 755, 756, 757, KERNEL 7.22, 7.53, 7.77, 7.81, 7.85, 7.89, KRNL64UC 7.22, 7.22EXT, 7.53, KRNL64NUC 7.22, 7.22EXT, creates information about system identity in an ambiguous format. This could lead to capture-replay vulnerability and may be exploited by malicious users to obtain illegitimate access to the system.

• CWE-294Authentication Bypass by Capture-replayA capture-replay flaw exists when the design of the product makes it possible for a malicious user to sniff network traffic and bypass authentication by replaying it to the server in question to the same effect as the original message (or with minor changes).