Vulnerability Database

357,869

Total vulnerabilities in the database

Vulnerabilities for products matching "matrix--synapse"

Found 1 matching product.

You can search for specific versions with /product/matrix--synapse/1.2.3

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matrix-synapse

47 vulnerabilities found
Title Severity Exploit Date Affected Version
Medium May 14, 2026 5/14/26
< 1.152.1
High May 14, 2026 5/14/26
< 1.152.1
Medium October 8, 2025 10/8/25
< 1.138.3
>= 1.139.0rc2 < 1.139.1
High March 27, 2025 3/27/25
< 1.127.1
Medium December 3, 2024 12/3/24
>= 1.113.0rc1 < 1.120.1
High December 3, 2024 12/3/24
< 1.120.1
High December 3, 2024 12/3/24
< 1.120.1
High December 3, 2024 12/3/24
< 1.120.1
Medium December 3, 2024 12/3/24
< 1.106
High December 3, 2024 12/3/24
< 1.106
Medium April 23, 2024 4/23/24
< 1.105.1
Medium October 31, 2023 10/31/23
< 1.95.1
Medium October 10, 2023 10/10/23
< 1.94.0
Medium September 26, 2023 9/26/23
>= 0.34.0 < 1.93.0
Low September 26, 2023 9/26/23
>= 1.66.0 < 1.93.0
Medium June 6, 2023 6/6/23
< 1.85.0
Medium June 6, 2023 6/6/23
< 1.85.0
Medium May 24, 2023 5/24/23
< 1.74.0
High May 24, 2023 5/24/23
>= 1.62.0 < 1.68.0rc1
High May 24, 2023 5/24/23
< 1.69.0
High August 31, 2022 8/31/22
< 1.62.0rc1
High June 29, 2022 6/29/22
< 1.61.1
High May 24, 2022 5/24/22
< 1.5.0
High May 24, 2022 5/24/22
< 0.99.3.1
High May 14, 2022 5/14/22
< 0.28.1
High May 13, 2022 5/13/22
>= 0.33.3 < 0.33.3.1
< 0.33.2.1
High May 13, 2022 5/13/22
< 0.31.2
High May 13, 2022 5/13/22
< 0.31.1
High May 13, 2022 5/13/22
< 0.34.0.1
Medium April 1, 2022 4/1/22
< 1.53.0
High November 23, 2021 11/23/21
< 1.47.1
Low September 1, 2021 9/1/21
< 1.41.1
Low September 1, 2021 9/1/21
< 1.41.1
Medium May 19, 2021 5/19/21
< 1.33.0
Medium May 13, 2021 5/13/21
< 1.33.2
High April 13, 2021 4/13/21
< 1.28.0rc1
Medium April 13, 2021 4/13/21
< 1.28.0
Medium April 13, 2021 4/13/21
< 1.28.0
Medium March 26, 2021 3/26/21
< 1.27.0
Medium March 26, 2021 3/26/21
< 1.27.0
Medium March 1, 2021 3/1/21
>= 0.99.0 < 1.25.0
Medium February 26, 2021 2/26/21
< 1.25.0
High December 9, 2020 12/9/20
< 1.23.1
High November 24, 2020 11/24/20
< 1.20.0
Medium October 16, 2020 10/16/20
< 1.21.0

Frequently Asked Questions

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.

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