CVE-2021-27646 is a vulnerability in Synology Diskstation Manager
Published on March 12, 2021
Use After Free vulnerability in iscsi_snapshot_comm_core in Synology DiskStation Manager (DSM) before 6.2.3-25426-3 allows remote attackers to execute arbitrary code via crafted web requests.
Vulnerability Analysis
CVE-2021-27646 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 be critical as this vulnerability has a high impact to the confidentiality, integrity and availability of this component.
Weakness Type
What is a Dangling pointer Vulnerability?
Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code.
CVE-2021-27646 has been classified to as a Dangling pointer vulnerability or weakness.
Products Associated with CVE-2021-27646
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Affected Versions
Synology DiskStation Manager (DSM):- Version unspecified and below 6.2.3-25426-3 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.