Diskstation Manager Unified Controller vulnerabilities

6 known vulnerabilities in Diskstation Manager Unified Controller from Synology. 6 are rated high or critical, and 1 has been exploited in real attacks. Each entry lists the affected versions and the release that fixes it, where the vendor has published one.

Latest first

• 8.8 High severity

  DiskStation Manager (DSM): Improper Control of Dynamically-Managed Code Resources

  CVE-2024-5401Dec 4, 2025Synology

  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 authe

• 7.5 High severity

  DiskStation Manager (DSM): Out-of-bounds Write

  CVE-2024-45539Dec 4, 2025Synology

  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 unspecifi

• 9.6 Critical severity

  DiskStation Manager (DSM): Cross-Site Request Forgery

  CVE-2024-45538Dec 4, 2025Synology

  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 unsp

• 8.1 High severity

  DiskStation Manager (DSM): Uncontrolled Search Path Element

  CVE-2023-0142Jun 13, 2023Synology

  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

• 9.8 Critical severity

  DiskStation Manager (DSM): Buffer Copy without Checking Size of Input

  CVE-2022-22687Mar 25, 2022SynologyEPSS 2.43%

  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.

• 7.8 High severity

  Sudo Heap-Based Buffer Overflow Exploited

  CVE-2021-3156Jan 26, 2021Sudo ProjectEPSS 100%

  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.