CVE-2021-27648
HIGH
8.8
CVSS Score
Published: April 28, 2021 at 07:25 AM UTC
Updated: June 17, 2026 at 03:45 AM UTC
1 product affected across 1 vendorAntivirus Essential
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Severity
HIGH8.8
Exploit prediction
EPSS 3%
Description
Externally controlled reference to a resource in another sphere in quarantine functionality in Synology Antivirus Essential before 1.4.8-2801 allows remote authenticated users to obtain privilege via unspecified vectors.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 1.4.8-2801
Affected range stops below 1.4.8-2801, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (1)
x_refsource_CONFIRMVendor Advisory
Source: [email protected]
https://www.synology.com/security/advisory/Synology_SA_21_15CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-610
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