Vulnerability Database

328,409

Total vulnerabilities in the database

Vulnerabilities for products matching "xen"

Found 4 matching products. Filters apply to all results.

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

xensource_inc / xen

6 vulnerabilities found
Title Severity Exploit Date Affected Version
Low April 2, 2008 4/2/08
== 5.1
Low December 4, 2007 12/4/07
<= 3.1.1
Low November 9, 2007 11/9/07
== 3.1.1
Low November 9, 2007 11/9/07
== 3.1.1
Medium October 28, 2007 10/28/07
== 3.0.3_0_1
== 3.0.3_0_3
Medium September 27, 2007 9/27/07
== 3.0.3

xen / xen

433 vulnerabilities found
Title Severity Exploit Date Affected Version
Low January 28, 2026 1/28/26
== 4.6.0
High October 31, 2025 10/31/25
== 4.15.0
High October 31, 2025 10/31/25
== 4.0.0
High October 31, 2025 10/31/25
== 4.15.0
Critical September 11, 2025 9/11/25
>= 4.13.0 < 4.17.0
Critical September 11, 2025 9/11/25
>= 4.13.0 < 4.17.0
High September 11, 2025 9/11/25
>= 4.12.0 < 4.17.0
High September 11, 2025 9/11/25
>= 4.12.0 < 4.17.0
Critical September 11, 2025 9/11/25
>= 4.13.0 < 4.17.0
High July 17, 2025 7/17/25
== 4.0.0
Low July 16, 2025 7/16/25
== 4.9.0
Medium December 19, 2024 12/19/24
>= 4.6.0 < 4.20.0
Medium December 19, 2024 12/19/24
== 4.8.0
High September 25, 2024 9/25/24
== 4.0.0
High September 25, 2024 9/25/24
== 4.5.0
High July 18, 2024 7/18/24
== 4.4.0
Medium May 16, 2024 5/16/24
== 3.2.0
High May 16, 2024 5/16/24
< 4.15.6
>= 4.16.0 < 4.16.6
>= 4.17.0 < 4.17.4
>= 4.18.0 < 4.18.2
Medium March 20, 2024 3/20/24
== 4.14.0
Medium March 20, 2024 3/20/24
*
Low March 20, 2024 3/20/24
== 4.17
Low January 5, 2024 1/5/24
<= 4.16
Low January 5, 2024 1/5/24
*
Medium January 5, 2024 1/5/24
*
Medium January 5, 2024 1/5/24
>= 4.5.0 < 4.14.0
Medium January 5, 2024 1/5/24
== 4.5.0
High January 5, 2024 1/5/24
*
High January 5, 2024 1/5/24
*
Medium January 5, 2024 1/5/24
< 4.17.0
High January 5, 2024 1/5/24
>= 3.2.0 < 4.15.0
Low January 5, 2024 1/5/24
<= 4.16
Medium December 8, 2023 12/8/23
*
High September 22, 2023 9/22/23
== 3.2.0
Medium July 24, 2023 7/24/23
== 4.14.0
== 4.15.0
== 4.16.0
== 4.17.0
Low May 17, 2023 5/17/23
== 4.17
High April 25, 2023 4/25/23
== 4.17.0
High March 21, 2023 3/21/23
>= 4.11.0 <= 4.17.0
Medium March 21, 2023 3/21/23
>= 4.11.0 <= 4.17.0
Medium March 21, 2023 3/21/23
>= 4.5.0 <= 4.17.0
High March 21, 2023 3/21/23
== 3.2.0
High January 26, 2023 1/26/23
== 4.17.0
Medium November 1, 2022 11/1/22
*
Medium November 1, 2022 11/1/22
== 4.9.0
Medium November 1, 2022 11/1/22
== 4.9.0
High November 1, 2022 11/1/22
== 4.16
Medium November 1, 2022 11/1/22
>= 4.9.0 < 4.13.0
Medium November 1, 2022 11/1/22
== 4.9.0
Medium October 11, 2022 10/11/22
>= 4.13.0 <= 4.16.1
Low October 11, 2022 10/11/22
*
Medium October 11, 2022 10/11/22
== 4.0

xensource / xen

3 vulnerabilities found
Title Severity Exploit Date Affected Version
Low June 16, 2010 6/16/10
== 4.0.0
== 3.4.0
Low May 14, 2008 5/14/08
== 3.0
== 3.0.2
== 3.0.3
== 3.0.4
== 3.1.2
High May 14, 2008 5/14/08
== 3.0
== 3.0.3

citrix / xen

9 vulnerabilities found
Title Severity Exploit Date Affected Version
Low August 19, 2011 8/19/11
== 3.2.0
== 3.3.0
== 4.1.0
== 4.0.0
Medium August 12, 2011 8/12/11
== 3.2.0
== 3.3.0
== 4.1.0
== 4.0.0
High August 12, 2011 8/12/11
== 4.1.0
== 4.0.0
== 4.0.1
Medium January 25, 2011 1/25/11
== 3.4.0
== 3.4.3
== 3.2.0
== 3.3.0
== 4.0.0
== 3.0.4
== 3.3.2
== 3.0.3
== 3.1.3
== 3.0.2
== 3.1.2
== 3.4.1
== 3.2.2
== 3.1.4
<= 4.0.1
== 3.2.3
== 3.4.2
== 3.3.1
== 3.2.1
Medium January 22, 2011 1/22/11
== 3.1.2
Medium January 11, 2011 1/11/11
<= 3.3.2
== 3.0.2
== 3.0.3
== 3.0.4
== 3.1.3
== 3.1.4
== 3.2.0
== 3.2.1
== 3.2.2
== 3.2.3
== 3.3.0
== 3.3.1
Low December 8, 2010 12/8/10
== 3.4.0
== 3.4.3
== 3.2.0
== 3.3.0
== 3.0.4
== 3.3.2
== 3.0.3
== 3.1.3
== 3.0.2
== 3.4.1
== 3.2.2
== 3.1.4
== 3.2.3
== 3.4.2
== 3.3.1
== 3.2.1
High December 24, 2008 12/24/08
== 3.3.0
High October 3, 2008 10/3/08
== 3.0.3

Showing vulnerabilities for 4 products matching "xen". Each product has independent pagination.

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.