Use after free vulnerability in file transfer protocol component in Synology DiskStation Manager (DSM) before 6.2.3-25426-3 allows remote attackers to execute arbitrary code via unspecified vectors.
Published 2021-06-23 10:15:08
Updated 2021-06-29 19:51:08
Source Synology Inc.
View at NVD,   CVE.org
Vulnerability category: Memory CorruptionExecute code

Exploit prediction scoring system (EPSS) score for CVE-2021-27649

0.14%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 50 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-27649

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
7.5
HIGH AV:N/AC:L/Au:N/C:P/I:P/A:P
10.0
6.4
NIST
9.8
CRITICAL CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
3.9
5.9
NIST
9.8
CRITICAL CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
3.9
5.9
Synology Inc.

CWE ids for CVE-2021-27649

  • Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code.
    Assigned by: security@synology.com (Primary)

References for CVE-2021-27649

Products affected by CVE-2021-27649

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