CVE-2021-26569 — CRITICAL (9.8)

Q: How severe is CVE-2021-26569?

CVE-2021-26569 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Q: Is there a patch for CVE-2021-26569?

Check the references section above for vendor advisories and patch information. Affected products include: Synology Diskstation Manager.

Vulnerability Description

Race Condition within a Thread 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.

CVSS Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Synology	Diskstation Manager	< 6.2.3-25426-3

Related Weaknesses (CWE)

CWE-362 CWE-366

References

https://www.synology.com/security/advisory/Synology_SA_20_26Vendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-21-338/Third Party AdvisoryVDB Entry
https://www.synology.com/security/advisory/Synology_SA_20_26Vendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-21-338/Third Party AdvisoryVDB Entry

FAQ

What is CVE-2021-26569?

CVE-2021-26569 is a vulnerability with a CVSS score of 9.8 (CRITICAL). Race Condition within a Thread 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 re...

How severe is CVE-2021-26569?

CVE-2021-26569 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2021-26569?

Check the references section above for vendor advisories and patch information. Affected products include: Synology Diskstation Manager.