CVE-2020-27652
HIGH
8.3
CVSS Score
Published: October 29, 2020 at 09:00 AM UTC
Updated: June 17, 2026 at 03:09 AM UTC
3 products affected across 1 vendorDiskStation ManagerSkynas FirmwareSkynas
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Severity
HIGH8.3
Exploit prediction
EPSS 0.8%
Description
Algorithm downgrade vulnerability in QuickConnect in Synology DiskStation Manager (DSM) before 6.2.3-25426-2 allows man-in-the-middle attackers to spoof servers and obtain sensitive information via unspecified vectors.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 6.2.3-25426-26.2 ≤ v < 6.2.3-25426-2
Affected range stops below 6.2.3-25426-2, so it looks safe — our inference, not a vendor statement
v < 6.2.3-25426
Affected range stops below 6.2.3-25426, so it looks safe — our inference, not a vendor statement
synology-skynas (same device)
Skynas· Synologydevice
80%All versions
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (2)
x_refsource_CONFIRMVendor Advisory
Source: [email protected]
https://www.synology.com/security/advisory/Synology_SA_20_18x_refsource_MISCExploitThird Party Advisory
Source: [email protected]
https://www.talosintelligence.com/vulnerability_reports/TALOS-2020-1061CVSS
8.3HIGHsynology
- Attack Vector
- NETWORK
- Complexity
- HIGH
- Privileges
- NONE
- User Interaction
- REQUIRED
- Scope
- CHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-327
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