Vulnerability Details : CVE-2021-27648
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.
Exploit prediction scoring system (EPSS) score for CVE-2021-27648
Probability of exploitation activity in the next 30 days: 0.07%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 28 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2021-27648
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
6.5
|
MEDIUM | AV:N/AC:L/Au:S/C:P/I:P/A:P |
8.0
|
6.4
|
NIST |
|
8.8
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
2.8
|
5.9
|
NIST |
|
9.0
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H |
2.3
|
6.0
|
Synology Inc. |
CWE ids for CVE-2021-27648
-
The product uses an externally controlled name or reference that resolves to a resource that is outside of the intended control sphere.Assigned by:
- nvd@nist.gov (Primary)
- security@synology.com (Secondary)
References for CVE-2021-27648
-
https://www.synology.com/security/advisory/Synology_SA_21_15
Synology Inc.Vendor Advisory
Products affected by CVE-2021-27648
- cpe:2.3:a:synology:antivirus_essential:*:*:*:*:*:*:*:*