Vulnerability Details : CVE-2021-26563
Incorrect authorization vulnerability in synoagentregisterd in Synology DiskStation Manager (DSM) before 6.2.4-25553 allows local users to execute arbitrary code via unspecified vectors.
Vulnerability category: Execute code
Products affected by CVE-2021-26563
- cpe:2.3:a:synology:diskstation_manager:*:*:*:*:*:*:*:*
- cpe:2.3:o:synology:vs960hd_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:synology:skynas_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:synology:diskstation_manager_unified_controller:3.0:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-26563
0.04%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 6 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-26563
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.6
|
MEDIUM | AV:L/AC:L/Au:N/C:P/I:P/A:P |
3.9
|
6.4
|
NIST | |
|
6.7
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
0.8
|
5.9
|
NIST | |
|
8.2
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H |
1.5
|
6.0
|
Synology Inc. |
CWE ids for CVE-2021-26563
-
The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check.Assigned by:
- nvd@nist.gov (Secondary)
- security@synology.com (Primary)
References for CVE-2021-26563
-
https://www.synology.com/security/advisory/Synology_SA_21_03
Synology Product Security Advisory | Synology IncorporatedVendor Advisory
-
https://www.talosintelligence.com/vulnerability_reports/TALOS-2020-1158
TALOS-2020-1158 || Cisco Talos Intelligence Group - Comprehensive Threat IntelligenceExploit;Third Party Advisory
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