VendorsSynologydiskstation_manager_unified_controllerall versions
Vulnerabilities

Synology Diskstation Manager Unified Controller

Ranked by severity, then by exploit likelihood. Click a CVE ID for its full record.

21CVEs
CVE-2024-10442
Off-by-one error vulnerability in the transmission component in Synology Replication Service before 1.0.12-0066, 1.2.2-0353 and 1.3.0-0423 and Synology Unified Controller (DSMUC) before 3.1.4-23079 allows remote attackers to execute arbitrary code, potentially leading to a broader impact across the system via unspecified vectors.
Published 2025-03-19 · Analyzed
10.0EPSS 0.014
CVE-2022-22687
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.
Published 2022-03-25 · Modified
9.8EPSS 0.024
CVE-2021-27649
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.
Published 2021-06-23 · Modified
9.8EPSS 0.020
CVE-2024-45538
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.
Published 2025-12-04 · Analyzed
9.6EPSS 0.004
CVE-2021-26561
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.
Published 2021-02-26 · Modified
9.0EPSS 0.021
CVE-2021-26562
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.
Published 2021-02-26 · Modified
9.0EPSS 0.019
CVE-2021-26566
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.
Published 2021-02-26 · Modified
9.0EPSS 0.015
CVE-2021-26560
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.
Published 2021-02-26 · Modified
9.0EPSS 0.008
CVE-2024-5401
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.
Published 2025-12-04 · Analyzed
8.8EPSS 0.004
CVE-2021-26564
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.
Published 2021-02-26 · Modified
8.7EPSS 0.007
CVE-2021-29085
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.
Published 2021-06-23 · Modified
8.6EPSS 0.013
CVE-2021-26565
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.
Published 2021-02-26 · Modified
8.3EPSS 0.007
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.
Published 2021-02-26 · Modified
8.2EPSS 0.005
CVE-2023-0142
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.
Published 2023-06-13 · Modified
8.1EPSS 0.010
CVE-2021-3156
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.
Published 2021-01-26 · Analyzed
7.8KEV2 PoCEPSS 1.000
CVE-2021-26567
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.
Published 2021-02-26 · Modified
7.8EPSS 0.011
CVE-2021-29087
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.
Published 2021-06-23 · Modified
7.5EPSS 0.014
CVE-2021-29084
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.
Published 2021-06-23 · Modified
7.5EPSS 0.013
CVE-2021-29086
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.
Published 2021-06-23 · Modified
7.5EPSS 0.012
CVE-2023-2729
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.
Published 2023-06-13 · Modified
7.5EPSS 0.009
CVE-2024-45539
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.
Published 2025-12-04 · Analyzed
7.5EPSS 0.005