Diskstation Manager
by Synology
CVEs (97)
| CVE | Vendor / Product | Sev | Risk | CVSS | EPSS | KEV | Published | Description |
|---|---|---|---|---|---|---|---|---|
| CVE-2021-29085 | Hig | 0.56 | 8.6 | 0.01 | Jun 23, 2021 | 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… | ||
| CVE-2019-9515 | Hig | 0.56 | 7.5 | 0.87 | Aug 13, 2019 | Some HTTP/2 implementations are vulnerable to a settings flood, potentially leading to a denial of service. The attacker sends a stream of SETTINGS frames to the peer. Since the RFC requires that the peer reply with one acknowledgement per SETTINGS frame, an empty SETTINGS frame… | ||
| CVE-2019-9513 | Hig | 0.55 | 7.5 | 0.82 | Aug 13, 2019 | Some HTTP/2 implementations are vulnerable to resource loops, potentially leading to a denial of service. The attacker creates multiple request streams and continually shuffles the priority of the streams in a way that causes substantial churn to the priority tree. This can… | ||
| CVE-2021-26566 | Hig | 0.54 | 8.3 | 0.01 | Feb 26, 2021 | 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. | ||
| CVE-2021-26565 | Hig | 0.54 | 8.3 | 0.01 | Feb 26, 2021 | 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. | ||
| CVE-2021-26564 | Hig | 0.54 | 8.3 | 0.01 | Feb 26, 2021 | 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. | ||
| CVE-2020-27653 | Hig | 0.54 | 8.3 | 0.01 | Oct 29, 2020 | Algorithm downgrade vulnerability in QuickConnect in Synology Router Manager (SRM) before 1.2.4-8081 allows man-in-the-middle attackers to spoof servers and obtain sensitive information via unspecified vectors. | ||
| CVE-2020-27652 | Hig | 0.54 | 8.3 | 0.01 | Oct 29, 2020 | Algorithm downgrade vulnerability in QuickConnect in Synology DiskStation Manager (DSM) before 6.2.3-25426-2 allows man-in-the-middle attackers to spoof servers and obtain sensitive information via unspecified vectors. | ||
| CVE-2020-27648 | Hig | 0.54 | 8.3 | 0.01 | Oct 29, 2020 | Improper certificate validation vulnerability in OpenVPN client in Synology DiskStation Manager (DSM) before 6.2.3-25426-2 allows man-in-the-middle attackers to spoof servers and obtain sensitive information via a crafted certificate. | ||
| CVE-2018-8919 | Hig | 0.54 | 8.3 | 0.01 | Dec 24, 2018 | Information exposure vulnerability in SYNO.Core.Desktop.SessionData in Synology DiskStation Manager (DSM) before 6.1.6-15266 allows remote attackers to steal credentials via unspecified vectors. | ||
| CVE-2025-13392 | Hig | 0.53 | 8.1 | 0.01 | May 27, 2026 | Improper check for unusual or exceptional conditions vulnerability in SSO in Synology DiskStation Manager (DSM) before 7.2.2-72806-5 and 7.3.1-86003-1 (7.2.1-69057 is not affected) allows remote attackers to bypass authentication with prior knowledge of the distinguished name… | ||
| CVE-2021-26563 | Hig | 0.53 | 8.2 | 0.01 | Feb 26, 2021 | 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. | ||
| CVE-2019-9511 | Hig | 0.53 | 7.5 | 0.60 | Aug 13, 2019 | Some HTTP/2 implementations are vulnerable to window size manipulation and stream prioritization manipulation, potentially leading to a denial of service. The attacker requests a large amount of data from a specified resource over multiple streams. They manipulate window size… | ||
| CVE-2021-29088 | Hig | 0.51 | 7.8 | 0.00 | Jun 1, 2021 | Improper limitation of a pathname to a restricted directory ('Path Traversal') in cgi component in Synology DiskStation Manager (DSM) before 6.2.4-25553 allows local users to execute arbitrary code via unspecified vectors. | ||
| CVE-2019-9518 | Hig | 0.51 | 7.5 | 0.25 | Aug 13, 2019 | Some HTTP/2 implementations are vulnerable to a flood of empty frames, potentially leading to a denial of service. The attacker sends a stream of frames with an empty payload and without the end-of-stream flag. These frames can be DATA, HEADERS, CONTINUATION and/or PUSH_PROMISE.… | ||
| CVE-2019-9517 | Hig | 0.51 | 7.5 | 0.28 | Aug 13, 2019 | Some HTTP/2 implementations are vulnerable to unconstrained interal data buffering, potentially leading to a denial of service. The attacker opens the HTTP/2 window so the peer can send without constraint; however, they leave the TCP window closed so the peer cannot actually… | ||
| CVE-2024-45539 | Hig | 0.49 | 7.5 | 0.00 | Dec 4, 2025 | 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. | ||
| CVE-2025-1021 | Hig | 0.49 | 7.5 | 0.01 | Apr 23, 2025 | Missing authorization vulnerability in synocopy in Synology DiskStation Manager (DSM) before 7.1.1-42962-8, 7.2.1-69057-7 and 7.2.2-72806-3 allows remote attackers to read arbitrary files via unspecified vectors. | ||
| CVE-2024-10444 | Hig | 0.49 | 7.5 | 0.00 | Mar 19, 2025 | Improper certificate validation vulnerability in the LDAP utilities in Synology DiskStation Manager (DSM) before 7.1.1-42962-8, 7.2.1-69057-7 and 7.2.2-72806-3 allows man-in-the-middle attackers to hijack the authentication of administrators via unspecified vectors. | ||
| CVE-2021-29087 | Hig | 0.49 | 7.5 | 0.01 | Jun 23, 2021 | 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. |
- risk 0.56cvss 8.6epss 0.01
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…
- risk 0.56cvss 7.5epss 0.87
Some HTTP/2 implementations are vulnerable to a settings flood, potentially leading to a denial of service. The attacker sends a stream of SETTINGS frames to the peer. Since the RFC requires that the peer reply with one acknowledgement per SETTINGS frame, an empty SETTINGS frame…
- risk 0.55cvss 7.5epss 0.82
Some HTTP/2 implementations are vulnerable to resource loops, potentially leading to a denial of service. The attacker creates multiple request streams and continually shuffles the priority of the streams in a way that causes substantial churn to the priority tree. This can…
- risk 0.54cvss 8.3epss 0.01
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.
- risk 0.54cvss 8.3epss 0.01
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.
- risk 0.54cvss 8.3epss 0.01
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.
- risk 0.54cvss 8.3epss 0.01
Algorithm downgrade vulnerability in QuickConnect in Synology Router Manager (SRM) before 1.2.4-8081 allows man-in-the-middle attackers to spoof servers and obtain sensitive information via unspecified vectors.
- risk 0.54cvss 8.3epss 0.01
Algorithm downgrade vulnerability in QuickConnect in Synology DiskStation Manager (DSM) before 6.2.3-25426-2 allows man-in-the-middle attackers to spoof servers and obtain sensitive information via unspecified vectors.
- risk 0.54cvss 8.3epss 0.01
Improper certificate validation vulnerability in OpenVPN client in Synology DiskStation Manager (DSM) before 6.2.3-25426-2 allows man-in-the-middle attackers to spoof servers and obtain sensitive information via a crafted certificate.
- risk 0.54cvss 8.3epss 0.01
Information exposure vulnerability in SYNO.Core.Desktop.SessionData in Synology DiskStation Manager (DSM) before 6.1.6-15266 allows remote attackers to steal credentials via unspecified vectors.
- risk 0.53cvss 8.1epss 0.01
Improper check for unusual or exceptional conditions vulnerability in SSO in Synology DiskStation Manager (DSM) before 7.2.2-72806-5 and 7.3.1-86003-1 (7.2.1-69057 is not affected) allows remote attackers to bypass authentication with prior knowledge of the distinguished name…
- risk 0.53cvss 8.2epss 0.01
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.
- risk 0.53cvss 7.5epss 0.60
Some HTTP/2 implementations are vulnerable to window size manipulation and stream prioritization manipulation, potentially leading to a denial of service. The attacker requests a large amount of data from a specified resource over multiple streams. They manipulate window size…
- risk 0.51cvss 7.8epss 0.00
Improper limitation of a pathname to a restricted directory ('Path Traversal') in cgi component in Synology DiskStation Manager (DSM) before 6.2.4-25553 allows local users to execute arbitrary code via unspecified vectors.
- risk 0.51cvss 7.5epss 0.25
Some HTTP/2 implementations are vulnerable to a flood of empty frames, potentially leading to a denial of service. The attacker sends a stream of frames with an empty payload and without the end-of-stream flag. These frames can be DATA, HEADERS, CONTINUATION and/or PUSH_PROMISE.…
- risk 0.51cvss 7.5epss 0.28
Some HTTP/2 implementations are vulnerable to unconstrained interal data buffering, potentially leading to a denial of service. The attacker opens the HTTP/2 window so the peer can send without constraint; however, they leave the TCP window closed so the peer cannot actually…
- risk 0.49cvss 7.5epss 0.00
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.
- risk 0.49cvss 7.5epss 0.01
Missing authorization vulnerability in synocopy in Synology DiskStation Manager (DSM) before 7.1.1-42962-8, 7.2.1-69057-7 and 7.2.2-72806-3 allows remote attackers to read arbitrary files via unspecified vectors.
- risk 0.49cvss 7.5epss 0.00
Improper certificate validation vulnerability in the LDAP utilities in Synology DiskStation Manager (DSM) before 7.1.1-42962-8, 7.2.1-69057-7 and 7.2.2-72806-3 allows man-in-the-middle attackers to hijack the authentication of administrators via unspecified vectors.
- risk 0.49cvss 7.5epss 0.01
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.
Page 2 of 5