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synology

diskstation_manager_unified_controller

20 known vulnerabilities · sorted by CVSS score

CVE-2022-22687
CRITICAL9.8

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 code via unspecified vectors.

synology / diskstation_manager+1
Network
Published Mar 25, 2022
CVE-2021-27649
CRITICAL9.8

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.

synology / diskstation_manager+1
Network
Published Jun 23, 2021
CVE-2024-45538
CRITICAL9.6

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 attackers to execute arbitrary code via unspecified vectors.

synology / diskstation_manager+2
Network
Published Dec 4, 2025
CVE-2021-26560
CRITICAL9.0

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.

synology / diskstation_manager+3
Network
Published Feb 26, 2021
CVE-2021-26562
CRITICAL9.0

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.

synology / diskstation_manager+3
Network
Published Feb 26, 2021
CVE-2021-26561
CRITICAL9.0

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.

synology / diskstation_manager+3
Network
Published Feb 26, 2021
CVE-2021-29085
HIGH8.6

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 remote attackers to read arbitrary files via unspecified vectors.

synology / diskstation_manager+1
Network
Published Jun 23, 2021
CVE-2021-26564
HIGH8.3

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.

synology / diskstation_manager+3
Network
Published Feb 26, 2021
CVE-2021-26565
HIGH8.3

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 session.

synology / diskstation_manager+3
Network
Published Feb 26, 2021
CVE-2021-26566
HIGH8.3

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 QuickConnect traffic.

synology / diskstation_manager+3
Network
Published Feb 26, 2021
CVE-2021-26563
HIGH8.2

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.

synology / diskstation_manager+3
Local
Published Feb 26, 2021
CVE-2021-3156
HIGH7.8

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 character.

sudo_project / sudo+31
Local
Published Jan 26, 2021
CVE-2021-26567
HIGH7.8

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.

synology / diskstation_manager+4
Local
Published Feb 26, 2021
CVE-2024-45539
HIGH7.5

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 denial-of-service attacks via unspecified vectors.

synology / diskstation_manager+2
Network
Published Dec 4, 2025
CVE-2021-29084
HIGH7.5

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 allows remote attackers to read arbitrary files via unspecified vectors.

synology / diskstation_manager+1
Network
Published Jun 23, 2021
CVE-2021-29087
HIGH7.5

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 via unspecified vectors.

synology / diskstation_manager+1
Network
Published Jun 23, 2021
CVE-2023-0142
MEDIUM6.5

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 administrator privileges to read or write arbitrary files via unspecified vectors.

synology / diskstation_manager_unified_controller+8
Network
Published Jun 13, 2023
CVE-2023-2729
MEDIUM5.9

Use of insufficiently random values vulnerability in User Management Functionality in Synology DiskStation Manager (DSM) before 7.2-64561 allows remote attackers to obtain user credential via unspecified vectors.

synology / diskstation_manager_unified_controller+8
Network
Published Jun 13, 2023
CVE-2021-29086
MEDIUM5.3

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 unspecified vectors.

synology / diskstation_manager+1
Network
Published Jun 23, 2021
CVE-2024-5401
MEDIUM4.3

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) before 3.1.4-23079 allows remote authenticated users to obtain privileges without consent via unspecified vectors.

synology / diskstation_manager+2
Network
Published Dec 4, 2025