SAP NetWeaver ABAP Null Deref via Corrupted Logon Ticket Crash
CVE-2025-42902 Published on October 14, 2025
Memory Corruption vulnerability in SAP Netweaver AS ABAP and ABAP Platform
Due to the memory corruption vulnerability in SAP NetWeaver AS ABAP and ABAP Platform, an unauthenticated attacker can send a corrupted SAP Logon Ticket or SAP Assertion Ticket to the SAP application server. This leads to a dereference of NULL which makes the work process crash. As a result, it has a low impact on the availability but no impact on the confidentiality and integrity.
Vulnerability Analysis
CVE-2025-42902 is exploitable with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity, and a small impact on availability.
Weakness Type
NULL Pointer Dereference
A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. NULL pointer dereference issues can occur through a number of flaws, including race conditions, and simple programming omissions.
Products Associated with CVE-2025-42902
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Affected Versions
SAP_SE SAP Netweaver AS ABAP and ABAP Platform:- Version KRNL64NUC 7.22 is affected.
- Version 7.22EXT is affected.
- Version KRNL64UC 7.22 is affected.
- Version 7.53 is affected.
- Version KERNEL 7.22 is affected.
- Version 7.54 is affected.
- Version 7.77 is affected.
- Version 7.89 is affected.
- Version 7.93 is affected.
- Version 9.14 is affected.
- Version 9.15 is affected.
- Version 9.16 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.