Read the docs

Synology

Records375All Threatist records
Exploited (KEV)2In CISA KEV
CVSS critical61CVSS 9.0–10.0
CVSS high133CVSS 7.0–8.9

Exploited now

Synology records in CISA KEV

Components

Products in the NVD configurations · select one to filter the records

Records

20 records in Diskstation Manager Unified Controller · all components

Priority CRITICAL 93KEV

Sudo before 1.9.5p2 contains an off-by-one error that can result in a heap-based buffer overflow, which allows privilege escalation to root via "sudoedit -s" and a command-line argument that ends with a single backslash…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.99962 Published 2021-01-26 Fixed CWE-193
Priority MEDIUM 47

Buffer copy without checking size of input ('Classic Buffer Overflow') vulnerability in Authentication functionality in Synology DiskStation Manager (DSM) before 6.2.3-25426-3 allows remote attackers to execute arbitrary…

CVSS 3.1CRITICAL 9.8 Network No auth No interaction EPSS 0.02432 Published 2022-03-25 Fixed in 6.2.3-25426-3 CWE-120
Priority MEDIUM 46

Use after free vulnerability in file transfer protocol component in Synology DiskStation Manager (DSM) before 6.2.3-25426-3 allows remote attackers to execute arbitrary code via unspecified vectors.

CVSS 3.1CRITICAL 9.8 Network No auth No interaction EPSS 0.02007 Published 2021-06-23 Fixed in 6.2.3-25426-3 CWE-416
Priority MEDIUM 43

Cross-Site Request Forgery (CSRF) vulnerability in WebAPI Framework in Synology DiskStation Manager (DSM) before 7.2.1-69057-2 and 7.2.2-72806 and Synology Unified Controller (DSMUC) before 3.1.4-23079 allows remote atta…

CVSS 3.1CRITICAL 9.6 Network No auth User interaction EPSS 0.00393 Published 2025-12-04 Fixed in 7.2.2-72806, 7.2.1-69057-2 +1 CWE-352
Priority MEDIUM 43

Out-of-bounds write vulnerability in synoagentregisterd in Synology DiskStation Manager (DSM) before 6.2.3-25426-3 allows man-in-the-middle attackers to execute arbitrary code via syno_finder_site HTTP header.

CVSS 3.1CRITICAL 9.0 Network No auth No interaction EPSS 0.01898 Published 2021-02-26 Fixed in 6.2.3-25426-3 CWE-787
Priority MEDIUM 43

Stack-based buffer overflow vulnerability in synoagentregisterd in Synology DiskStation Manager (DSM) before 6.2.3-25426-3 allows man-in-the-middle attackers to execute arbitrary code via syno_finder_site HTTP header.

CVSS 3.1CRITICAL 9.0 Network No auth No interaction EPSS 0.02061 Published 2021-02-26 Fixed in 6.2.3-25426-3 CWE-121
Priority MEDIUM 42

Insertion of sensitive information into sent data vulnerability in synorelayd in Synology DiskStation Manager (DSM) before 6.2.3-25426-3 allows man-in-the-middle attackers to execute arbitrary commands via inbound QuickC…

CVSS 3.1CRITICAL 9.0 Network No auth No interaction EPSS 0.01508 Published 2021-02-26 Fixed in 6.2.3-25426-3 CWE-201
TI-2021-09972 CVE-2021-29085 · GHSA-m32f-99jg-48x9

Injection in Synology DiskStation Manager

Priority MEDIUM 40

Improper neutralization of special elements in output used by a downstream component ('Injection') vulnerability in file sharing management component in Synology DiskStation Manager (DSM) before 6.2.3-25426-3 allows remo…

CVSS 3.1HIGH 8.6 Network No auth No interaction EPSS 0.01332 Published 2021-06-23 Fixed in 6.2.3-25426-3 CWE-74
Priority MEDIUM 40

Cleartext transmission of sensitive information vulnerability in synoagentregisterd in Synology DiskStation Manager (DSM) before 6.2.3-25426-3 allows man-in-the-middle attackers to spoof servers via an HTTP session.

CVSS 3.1CRITICAL 9.0 Network No auth No interaction EPSS 0.00766 Published 2021-02-26 Fixed in 6.2.3-25426-3 CWE-319
Priority LOW 39

Out-of-bounds write vulnerability in cgi components in Synology DiskStation Manager (DSM) before 7.2.1-69057-2 and 7.2.2-72806 and Synology Unified Controller (DSMUC) before 3.1.4-23079 allows remote attackers to conduct…

CVSS 3.1HIGH 7.5 Network No auth No interaction EPSS 0.00515 Published 2025-12-04 Fixed in 7.2.2-72806, 7.2.1-69057-2 +1 CWE-787
Priority LOW 39

Uncontrolled search path element vulnerability in Backup Management functionality in Synology DiskStation Manager (DSM) before 6.2.4-25556-8, 7.0.1-42218-7 and 7.1-42661 allows remote authenticated users with administrat…

CVSS 3.1HIGH 8.1 Network Low privileges No interaction EPSS 0.0097 Published 2023-06-13 Fixed in 7.2, 7.1-42661 +2 CWE-427
Priority LOW 39

Cleartext transmission of sensitive information vulnerability in synorelayd in Synology DiskStation Manager (DSM) before 6.2.3-25426-3 allows man-in-the-middle attackers to spoof servers via an HTTP session.

CVSS 3.1HIGH 8.7 Network No auth No interaction EPSS 0.00668 Published 2021-02-26 Fixed in 6.2.3-25426-3 CWE-319
Priority LOW 38

Improper control of dynamically-managed code resources vulnerability in WebAPI component in Synology DiskStation Manager (DSM) before 7.1.1-42962-8 and 7.2.1-69057-2 and 7.2.2-72806 and Synology Unified Controller (DSMUC…

CVSS 3.1HIGH 8.8 Network Low privileges No interaction EPSS 0.00408 Published 2025-12-04 Fixed in 7.2.2-72806, 7.2.1-69057-2 +1 CWE-913
Priority LOW 37

Cleartext transmission of sensitive information vulnerability in synorelayd in Synology DiskStation Manager (DSM) before 6.2.3-25426-3 allows man-in-the-middle attackers to obtain sensitive information via an HTTP sessio…

CVSS 3.1HIGH 8.3 Network No auth User interaction EPSS 0.00742 Published 2021-02-26 Fixed in 6.2.3-25426-3 CWE-319
Priority LOW 36

Improper limitation of a pathname to a restricted directory ('Path Traversal') vulnerability in webapi component in Synology DiskStation Manager (DSM) before 6.2.3-25426-3 allows remote attackers to write arbitrary files…

CVSS 3.1HIGH 7.5 Network No auth No interaction EPSS 0.01396 Published 2021-06-23 Fixed in 6.2.3-25426-3 CWE-22
TI-2021-09971 CVE-2021-29084 · GHSA-487r-hmj9-h7h2

Injection in Synology DiskStation Manager

Priority LOW 36

Improper neutralization of special elements in output used by a downstream component ('Injection') vulnerability in Security Advisor report management component in Synology DiskStation Manager (DSM) before 6.2.3-25426-3…

CVSS 3.1HIGH 7.5 Network No auth No interaction EPSS 0.01332 Published 2021-06-23 Fixed in 6.2.3-25426-3 CWE-74
Priority LOW 36

Stack-based buffer overflow vulnerability in frontend/main.c in faad2 before 2.2.7.1 allow local attackers to execute arbitrary code via filename and pathname options.

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.01129 Published 2021-02-26 Fixed in 2.2.7.1 CWE-121
Priority LOW 36

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 3.1HIGH 8.2 Local High privileges No interaction EPSS 0.00513 Published 2021-02-26 Fixed in 6.2.4-25553 CWE-863
Priority LOW 35

Exposure of sensitive information to an unauthorized actor vulnerability in webapi component in Synology DiskStation Manager (DSM) before 6.2.3-25426-3 allows remote attackers to obtain sensitive information via unspecif…

CVSS 3.1HIGH 7.5 Network No auth No interaction EPSS 0.01181 Published 2021-06-23 Fixed in 6.2.3-25426-3 CWE-200
Open these records in search →