Vulnerability · Published Apr 28, 2021 · Assigned by synology
CVE-2021-27648
Critical 9.0
In plain English
A critical-severity security flaw in Synology Antivirus Essential from Synology. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 2.8% (higher than 87% of all known vulnerabilities).
Severity (CVSS 3.1)9.0Critical
Exploit odds (30 days)2.8%top 13.3% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official 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 products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Synology | Synology Antivirus Essential | unspecified – before 1.4.8-2801 |
Weakness: CWE-610 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
References
- https://www.synology.com/security/advisory/Synology_SA_21_15 x_refsource_CONFIRM