Medium severity · published Feb 26, 2021
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…
6.7
CVSS
0.5%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 44% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DM
Diskstation Manager · Synology
before 6.2.4-25553 · source: NVD
DM
Diskstation Manager Unified Controller · Synology
3.0 · source: NVD
SF
Skynas Firmware · Synology
All versions, or not specified · source: NVD
VF
Vs960hd Firmware · Synology
All versions, or not specified · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-26563
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-26563
Vendor Advisory
https://www.synology.com/security/advisory/Synology_SA_21_03
Exploit
https://www.talosintelligence.com/vulnerability_reports/TALOS-2020-1158
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