Vulnerability Database

365,542

Total vulnerabilities in the database

Vulnerabilities for products matching "umbraco_cms"

Found 2 matching products. Filters apply to all results.

You can search for specific versions with /product/umbraco_cms/1.2.3

umbraco / umbraco_cms

100 vulnerabilities found
Title Severity Exploit Date Affected Version
Medium May 21, 2026 5/21/26
>= 14.0.0 < 17.4.0
Medium May 21, 2026 5/21/26
< 13.14.0
>= 14.0.0 < 17.4.0
High March 11, 2026 3/11/26
>= 15.3.1 < 16.5.1
>= 17.0.0 < 17.2.2
Medium March 11, 2026 3/11/26
>= 16.2.0 < 16.5.1
>= 17.0.0 < 17.2.2
Medium March 11, 2026 3/11/26
>= 14.0.0 < 16.5.1
>= 17.0.0 < 17.2.2
Medium January 15, 2026 1/15/26
== 8.14.1
Medium December 22, 2025 12/22/25
== 16.3.3
Medium December 9, 2025 12/9/25
>= 10.0.0 < 13.12.1
Critical August 13, 2025 8/13/25
< 4.7.1
Medium July 29, 2025 7/29/25
>= 13.0.0 < 13.9.3
>= 15.0.0 < 15.4.4
>= 16.0.0 < 16.1.1
Medium June 24, 2025 6/24/25
>= 10.0.0 < 10.8.11
>= 13.0.0 < 13.9.2
Medium June 4, 2025 6/4/25
>= 14.0.0 < 15.4.2
Medium May 6, 2025 5/6/25
< 10.8.10
>= 10.9.0 < 13.8.1
High April 9, 2025 4/9/25
>= 14.0.0 < 14.3.4
>= 15.0.0 < 15.3.1
Medium March 11, 2025 3/11/25
< 10.8.9
>= 11.0.0 < 13.7.1
Medium March 11, 2025 3/11/25
< 14.3.3
>= 15.0.0 < 15.2.3
Medium January 22, 2025 1/22/25
== 14.3.1
Medium January 21, 2025 1/21/25
== 12.3.6
Medium January 21, 2025 1/21/25
>= 15.0.0 < 15.1.2
>= 14.0.0 < 14.3.2
Medium January 21, 2025 1/21/25
>= 15.0.0 < 15.1.2
>= 14.0.0 < 14.3.2
Medium October 22, 2024 10/22/24
>= 10.0 < 10.8.7
>= 13.0 < 13.5.2
Medium October 22, 2024 10/22/24
>= 8.0 < 8.18.15
>= 10.0 < 10.8.7
>= 13.0 < 13.5.2
Medium October 22, 2024 10/22/24
>= 8.0 < 8.18.15
>= 10.0 < 10.8.7
>= 13.0 < 13.5.2
Low October 22, 2024 10/22/24
>= 14.0.0 < 14.3.0
Medium October 22, 2024 10/22/24
>= 14.0.0 < 14.3.1
Medium August 20, 2024 8/20/24
>= 14.0.0 < 14.1.2
Medium August 20, 2024 8/20/24
>= 14.0.0 < 14.1.2
Medium May 21, 2024 5/21/24
>= 13.0.0 < 13.1.1
>= 12.0.0 < 12.3.7
>= 10.0.0 < 10.8.4
>= 8.0.0 < 8.18.13
Medium May 21, 2024 5/21/24
>= 13.0.0 < 13.3.1
>= 12.0.0 < 12.3.10
>= 10.5.0 < 10.8.6
>= 8.18.5 < 8.18.14
Medium April 17, 2024 4/17/24
>= 13.0.0 < 13.1.1
Low March 20, 2024 3/20/24
>= 10.0.0 < 10.8.5
Low December 13, 2023 12/13/23
>= 12.0.0 < 12.2.0
>= 11.0.0 < 11.5.0
>= 10.0.0 < 10.7.0
>= 8.0.0 < 8.18.9
>= 7.0.0 < 7.15.11
Low December 13, 2023 12/13/23
>= 12.0.0 < 12.3.4
>= 10.0.0 < 10.8.1
>= 8.0.0 < 8.18.10
Low December 13, 2023 12/13/23
>= 12.0.0 < 12.3.4
>= 10.0.0 < 10.8.1
>= 8.0.0 < 8.18.10
Medium December 13, 2023 12/13/23
>= 12.0.0 < 12.3.4
>= 10.0.0 < 10.8.1
>= 8.0.0 < 8.18.10
Low December 13, 2023 12/13/23
>= 10.0.0 < 10.8.1
>= 12.0.0 < 12.3.0
>= 8.0.0 < 8.18.10
Medium December 13, 2023 12/13/23
>= 12.0.0 < 12.3.4
>= 10.0.0 < 10.8.1
Low December 13, 2023 12/13/23
>= 8.0.0 < 8.18.10
>= 11.0.0 < 12.3.0
>= 9.0.0 < 10.7.0
Low December 13, 2023 12/13/23
>= 8.0.0 < 8.18.10
>= 9.0.0 < 10.7.0
>= 11.0.0 < 12.1.0
High July 13, 2023 7/13/23
>= 12.0.0 < 12.0.1
>= 10.0.0 < 10.6.1
>= 11.0.0 < 11.4.2
High May 18, 2023 5/18/23
>= 4.11.8 <= 7.15.10
Medium May 24, 2022 5/24/22
<= 8.9.1
High May 24, 2022 5/24/22
== 8.5.3
Medium May 24, 2022 5/24/22
== 8.2.2
Medium May 17, 2022 5/17/22
<= 7.7.2
Medium May 17, 2022 5/17/22
<= 7.7.2
Medium May 14, 2022 5/14/22
== 7.12.3
High January 21, 2022 1/21/22
< 9.2.0
High January 21, 2022 1/21/22
< 9.2.0
Medium August 2, 2021 8/2/21
== 8.5.3
.NET NuGet icon

Umbraco.CMS

59 vulnerabilities found
Title Severity Exploit Date Affected Version
Medium May 21, 2026 5/21/26
>= 14.0.0 < 17.4.0
Medium May 21, 2026 5/21/26
< 13.14.0
>= 17.3.0-rc < 17.4.0
High March 11, 2026 3/11/26
>= 15.3.1 < 16.5.1
>= 17.0.0 < 17.2.2
Medium March 11, 2026 3/11/26
>= 16.2.0 < 16.5.1
>= 17.0.0 < 17.2.2
Medium March 11, 2026 3/11/26
>= 14.0.0 < 16.5.1
>= 17.0.0 < 17.2.2
Medium December 22, 2025 12/22/25
<= 16.3.3
Medium December 9, 2025 12/9/25
>= 10.0.0 < 13.12.1
Medium June 24, 2025 6/24/25
>= 10.0.0 < 10.8.11
>= 13.0.0 < 13.9.2
Medium June 4, 2025 6/4/25
>= 14.0.0 < 15.4.2
Medium May 6, 2025 5/6/25
>= 11.0.0-rc1 < 13.8.1
< 10.8.10
High April 9, 2025 4/9/25
>= 14.0.0--preview004 < 14.3.4
>= 15.0.0-rc1 < 15.3.1
Medium January 21, 2025 1/21/25
>= 11.0.0 < 13.5.3
>= 14.0.0 < 14.3.2
>= 15.0.0 < 15.1.2
>= 10.8.7 < 10.8.8
Medium January 21, 2025 1/21/25
>= 14.0.0 < 14.3.2
>= 15.0.0 < 15.1.2
Medium October 22, 2024 10/22/24
>= 13.0.0 < 13.5.2
>= 10.0.0 < 10.8.7
Medium October 22, 2024 10/22/24
>= 10.0.0 < 10.8.7
>= 13.0.0 < 13.5.2
Medium October 22, 2024 10/22/24
>= 13.0.0 < 13.5.2
>= 10.0.0 < 10.8.7
Low October 22, 2024 10/22/24
>= 14.0.0 < 14.3.0
Medium August 20, 2024 8/20/24
>= 14.0.0 < 14.1.2
Low December 13, 2023 12/13/23
>= 7.0.0 < 7.15.11
>= 8.0.0 < 8.18.9
>= 9.0.0 < 10.7.0
>= 11.0.0 < 11.5.0
>= 12.0.0 < 12.2.0
Low December 13, 2023 12/13/23
>= 8.0.0 < 8.18.10
>= 9.0.0 < 10.8.1
>= 11.0.0 < 12.3.4
Low December 13, 2023 12/13/23
>= 8.0.0 < 8.18.10
>= 9.0.0 < 10.8.1
>= 11.0.0 < 12.3.4
Medium December 13, 2023 12/13/23
>= 8.0.0 < 8.18.10
>= 9.0.0 < 10.8.1
>= 11.0.0 < 12.3.4
Low December 13, 2023 12/13/23
>= 8.0.0 < 8.18.10
>= 9.0.0 < 10.8.1
>= 11.0.0 < 12.3.4
Medium December 13, 2023 12/13/23
>= 10.0.0 < 10.8.1
>= 11.0.0 < 12.3.4
Low December 13, 2023 12/13/23
>= 8.0.0 < 8.18.10
>= 9.0.0 < 10.8.0
>= 11.0.0 < 12.3.0
Low December 13, 2023 12/13/23
>= 8.0.0 < 8.18.10
>= 9.0.0 < 10.7.0
>= 11.0.0 < 12.1.0
High May 17, 2022 5/17/22
< 7.4.0
High May 17, 2022 5/17/22
< 7.4.0

Showing vulnerabilities for 2 products matching "umbraco_cms". Each product has independent pagination.

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A security vulnerability is a weakness in software, hardware, or configuration that can be exploited to compromise confidentiality, integrity, or availability. Many vulnerabilities are tracked as CVEs (Common Vulnerabilities and Exposures), which provide a standardized identifier so teams can coordinate patching, mitigation, and risk assessment across tools and vendors.

CVSS (Common Vulnerability Scoring System) estimates technical severity, but it doesn't automatically equal business risk. Prioritize using context like internet exposure, affected asset criticality, known exploitation (proof-of-concept or in-the-wild), and whether compensating controls exist. A "Medium" CVSS on an exposed, production system can be more urgent than a "Critical" on an isolated, non-production host.

A vulnerability is the underlying weakness. An exploit is the method or code used to take advantage of it. A zero-day is a vulnerability that is unknown to the vendor or has no publicly available fix when attackers begin using it. In practice, risk increases sharply when exploitation becomes reliable or widespread.

Recurring findings usually come from incomplete Asset Discovery, inconsistent patch management, inherited images, and configuration drift. In modern environments, you also need to watch the software supply chain: dependencies, containers, build pipelines, and third-party services can reintroduce the same weakness even after you patch a single host. Unknown or unmanaged assets (often called Shadow IT) are a common reason the same issues resurface.

Use a simple, repeatable triage model: focus first on externally exposed assets, high-value systems (identity, VPN, email, production), vulnerabilities with known exploits, and issues that enable remote code execution or privilege escalation. Then enforce patch SLAs and track progress using consistent metrics so remediation is steady, not reactive.

SynScan combines attack surface monitoring and continuous security auditing to keep your inventory current, flag high-impact vulnerabilities early, and help you turn raw findings into a practical remediation plan.