Aug 2021: Storage Spaces Controller Elevation of Privilege Vulnerability
CVE-2021-34536 Published on August 12, 2021

Storage Spaces Controller Elevation of Privilege Vulnerability
Storage Spaces Controller Elevation of Privilege Vulnerability

NVD

Weakness Type

Integer Overflow or Wraparound

The software performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control. An integer overflow or wraparound occurs when an integer value is incremented to a value that is too large to store in the associated representation. When this occurs, the value may wrap to become a very small or negative number. While this may be intended behavior in circumstances that rely on wrapping, it can have security consequences if the wrap is unexpected. This is especially the case if the integer overflow can be triggered using user-supplied inputs. This becomes security-critical when the result is used to control looping, make a security decision, or determine the offset or size in behaviors such as memory allocation, copying, concatenation, etc.


Products Associated with CVE-2021-34536

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Affected Versions

Microsoft Windows 10 Version 1809: Microsoft Windows Server 2019: Microsoft Windows Server 2019 (Server Core installation): Microsoft Windows 10 Version 1909: Microsoft Windows 10 Version 21H1: Microsoft Windows 10 Version 2004: Microsoft Windows Server version 2004: Microsoft Windows 10 Version 20H2: Microsoft Windows Server version 20H2: Microsoft Windows 10 Version 1507: Microsoft Windows 10 Version 1607: Microsoft Windows Server 2016: Microsoft Windows Server 2016 (Server Core installation):

Exploit Probability

EPSS
0.42%
Percentile
61.63%

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.