CVE-2021-27628 is a vulnerability in SAP Netweaver As Abap
Published on June 9, 2021
SAP NetWeaver ABAP Server and ABAP Platform (Dispatcher), versions - KRNL32NUC - 7.22,7.22EXT, KRNL32UC - 7.22,7.22EXT, KRNL64NUC - 7.22,7.22EXT,7.49, KRNL64UC - 8.04,7.22,7.22EXT,7.49,7.53,7.73, KERNEL - 7.22,8.04,7.49,7.53,7.73,7.77,7.81,7.82,7.83, allows an unauthenticated attacker without specific knowledge of the system to send a specially crafted packet over a network which will trigger an internal error in the system due to improper input validation in method DpRTmPrepareReq() causing the system to crash and rendering it unavailable. In this attack, no data in the system can be viewed or modified.
Weakness Type
What is a Memory Corruption Vulnerability?
The software writes data past the end, or before the beginning, of the intended buffer. Typically, this can result in corruption of data, a crash, or code execution. The software may modify an index or perform pointer arithmetic that references a memory location that is outside of the boundaries of the buffer. A subsequent write operation then produces undefined or unexpected results.
CVE-2021-27628 has been classified to as a Memory Corruption vulnerability or weakness.
Products Associated with CVE-2021-27628
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Affected Versions
SAP SE SAP NetWeaver ABAP Server and ABAP Platform (Dispatcher):- Version < KRNL32NUC - 7.22 is affected.
- Version < 7.22EXT is affected.
- Version < KRNL32UC - 7.22 is affected.
- Version < KRNL64NUC - 7.22 is affected.
- Version < 7.49 is affected.
- Version < KRNL64UC - 8.04 is affected.
- Version < 7.22 is affected.
- Version < 7.53 is affected.
- Version < 7.73 is affected.
- Version < KERNEL - 7.22 is affected.
- Version < 8.04 is affected.
- Version < 7.77 is affected.
- Version < 7.81 is affected.
- Version < 7.82 is affected.
- Version < 7.83 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.