Vulnerability Database

328,409

Total vulnerabilities in the database

Vulnerabilities for products matching "asp.net_core"

Found 1 matching product.

You can search for specific versions with /product/asp.net_core/1.2.3

microsoft / asp.net_core

36 vulnerabilities found
Title Severity Exploit Date Affected Version
Critical October 14, 2025 10/14/25
>= 2.3.0 < 2.3.6
>= 8.0.0 < 8.0.21
>= 9.0.0 < 9.0.10
High April 8, 2025 4/8/25
>= 8.0.0 < 8.0.15
>= 9.0.0 < 9.0.4
High March 11, 2025 3/11/25
>= 8.0.0 < 8.0.14
>= 9.0.0 < 9.0.3
High February 13, 2024 2/13/24
>= 8.0.0 < 8.0.2
>= 7.0.0 < 7.0.16
>= 6.0.0 < 6.0.27
High February 13, 2024 2/13/24
>= 8.0.0 < 8.0.2
>= 7.0.0 < 7.0.16
>= 6.0.0 < 6.0.27
Medium November 14, 2023 11/14/23
== 8.0.0
>= 7.0.0 < 7.0.14
>= 6.0.0 < 6.0.25
High November 14, 2023 11/14/23
== 8.0.0
High October 10, 2023 10/10/23
>= 6.0.0 < 6.0.23
>= 7.0.0 < 7.0.12
High August 8, 2023 8/8/23
>= 2.1 < 2.1.40
Medium August 8, 2023 8/8/23
>= 2.1 < 2.1.40
High December 15, 2021 12/15/21
== 3.1
== 5.0
== 6.0
Medium August 12, 2021 8/12/21
>= 2.1 <= 2.1.2
>= 5.0 <= 5.0.8
>= 3.1 <= 3.1.17
High January 12, 2021 1/12/21
>= 3.1 <= 3.1.10
>= 5.0 <= 5.0.1
High September 11, 2020 9/11/20
>= 2.1 <= 2.1.21
>= 3.1 < 3.1.8
High August 17, 2020 8/17/20
== 2.1
== 3.1
High May 21, 2020 5/21/20
== 3.1
High January 14, 2020 1/14/20
== 2.1
== 3.0
== 3.1
High January 14, 2020 1/14/20
== 2.1
== 3.0
== 3.1
High September 11, 2019 9/11/19
== 2.1
== 2.2
== 3.0
Medium July 15, 2019 7/15/19
== 2.1
== 2.2
Medium May 16, 2019 5/16/19
== 2.1
== 2.2
Medium April 9, 2019 4/9/19
== 2.2
Medium January 8, 2019 1/8/19
== 2.1
Medium January 8, 2019 1/8/19
== 2.1
== 2.2
Low November 14, 2018 11/14/18
== 2.1
Medium October 10, 2018 10/10/18
== 1.0
== 1.1
== 2.1
High September 13, 2018 9/13/18
>= 2.1 < 2.1.4
Low July 11, 2018 7/11/18
== 1.0
== 1.1
== 2.0
Medium July 11, 2018 7/11/18
== 1.0
== 1.1
== 2.0
Medium March 14, 2018 3/14/18
== 1.0
== 1.1
== 2.0
Medium March 14, 2018 3/14/18
== 1.0
== 1.1
== 2.0
Medium March 14, 2018 3/14/18
== 1.0
== 1.1
== 2.0
Medium January 10, 2018 1/10/18
== 2.0
Low January 10, 2018 1/10/18
== 2.0
Medium November 15, 2017 11/15/17
== 1.0
== 1.1
== 2.0
Low November 15, 2017 11/15/17
== 2.0

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.

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.