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HIGH

CVE-2021-26561

CVSS v3

8.1

HIGH

EPSS Score

2.3 %

exploit probability

CISA KEV

No

known exploited

Exploitation

SSVC status

Description

Stack-based buffer overflow vulnerability in synoagentregisterd in Synology DiskStation Manager (DSM) before 6.2.3-25426-3 allows man-in-the-middle attackers to execute arbitrary code via syno_finder_site HTTP header.

Technical details

Published
2021-02-26

Frequently asked questions

What is CVE-2021-26561?

Stack-based buffer overflow vulnerability in synoagentregisterd in Synology DiskStation Manager (DSM) before 6.2.3-25426-3 allows man-in-the-middle attackers to execute arbitrary code via syno_finder_site HTTP header.

Is CVE-2021-26561 actively exploited?

Active exploitation of CVE-2021-26561 has not been confirmed. The EPSS score is 2.3%, indicating the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-26561?

CVE-2021-26561 has a CVSS v3 base score of 8.1 (HIGH severity).

Is CVE-2021-26561 affecting your environment?

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