How should we interpret CVSS severity scores?

CVSS estimates technical severity, but it does not automatically equal business risk. Prioritize using context like internet exposure, asset criticality, known exploitation, 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.

Vulnerability Database

Q: What is a Vulnerability (CVE) and why does it matter?

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.

Q: What's the difference between a vulnerability, an exploit, and a zero-day?

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. Risk increases sharply when exploitation becomes reliable or widespread.

Q: Why do vulnerabilities keep reappearing in our environment?

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.

Q: How do we prioritize remediation without burning out the team?

Use a 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 so remediation is steady, not reactive.

Q: How can SynScan help reduce vulnerability risk over time?

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.

325,981

Total vulnerabilities in the database

Vulnerabilities for products matching "asyncos"

Found 1 matching product.

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

cisco / asyncos

49 vulnerabilities found

Title	Severity	Date	Affected Version
CVE-2025-20393	Critical	December 17, 2025 12/17/25	< 15.0.5-016 >= 15.5 < 15.5.4-012 >= 16.0 < 16.0.4-016 < 15.0.2-007 >= 15.5 < 15.5.4-007 >= 16.0 < 16.0.4-010
CVE-2020-3122	Unknown	March 4, 2025 3/4/25	== 11.0.0-128
CVE-2025-20183	Medium	February 5, 2025 2/5/25	== 11.8.0-414 == 11.8.0-429 == 11.8.0-453 == 11.8.1-023 == 11.8.3-018 == 11.8.3-021 == 11.8.4-004 == 12.0.1-268 == 12.0.1-334 == 12.0.2-004 == 12.0.2-012 == 12.0.3-005 == 12.0.3-007 == 12.0.4-002 == 12.0.5-011 == 12.5.1-011 == 12.5.1-043 == 12.5.2-007 == 12.5.2-011 == 12.5.3-002 == 12.5.4-005 == 12.5.4-011 == 12.5.5-004 == 12.5.5-005 == 12.5.5-008 == 12.5.6-008 == 14.0.1-014 == 14.0.1-040 == 14.0.1-053 == 14.0.1-503 == 14.0.2-012 == 14.0.3-014 == 14.0.4-005 == 14.0.5-007 == 14.1.0-032 == 14.1.0-041 == 14.1.0-047 == 14.5.0-498 == 14.5.0-537 == 14.5.0-673 == 14.5.1-008 == 14.5.1-016 == 14.5.1-510 == 14.5.1-607 == 14.5.2-011 == 14.5.3-033 == 15.0.0-322 == 15.0.0-355 == 15.1.0-287 == 15.2.0-116 == 15.2.0-164
CVE-2025-20185	Low	February 5, 2025 2/5/25	== 13.0.0-392 == 13.0.5-007 == 13.5.1-277 == 13.5.4-038 == 14.0.0-698 == 14.2.0-620 == 14.2.1-020 == 14.3.0-032 == 15.0.0-104 == 15.0.1-030 == 15.0.3-002 == 15.5.0-048 == 15.5.1-055 == 15.5.2-018
CVE-2025-20184	Medium	February 5, 2025 2/5/25	== 13.0.0-392 == 13.0.5-007 == 13.5.1-277 == 13.5.4-038 == 14.0.0-698 == 14.2.0-620 == 14.2.1-020 == 14.3.0-032 == 15.0.0-104 == 15.0.1-030 == 15.0.3-002 == 15.5.0-048 == 15.5.1-055 == 15.5.2-018 == 15.5.3-022 == 11.8.0-414 == 11.8.0-429 == 11.8.0-453 == 11.8.1-023 == 11.8.3-018 == 11.8.3-021 == 11.8.4-004 == 12.0.1-268 == 12.0.1-334 == 12.0.2-004 == 12.0.2-012 == 12.0.3-005 == 12.0.3-007 == 12.0.4-002 == 12.0.5-011 == 12.5.1-011 == 12.5.1-043 == 12.5.2-007 == 12.5.2-011 == 12.5.3-002 == 12.5.4-005 == 12.5.4-011 == 12.5.5-004 == 12.5.5-005 == 12.5.5-008 == 12.5.6-008 == 14.0.1-014 == 14.0.1-040 == 14.0.1-053 == 14.0.1-503 == 14.0.2-012 == 14.0.3-014 == 14.0.4-005 == 14.0.5-007 == 14.1.0-032 == 14.1.0-041 == 14.1.0-047 == 14.5.0-498 == 14.5.0-537 == 14.5.0-673 == 14.5.1-008 == 14.5.1-016 == 14.5.1-510 == 14.5.1-607 == 14.5.2-011 == 14.5.3-033 == 15.0.0-322 == 15.0.0-355 == 15.0.1-004 == 15.1.0-287 == 15.2.0-116 == 15.2.0-164 == 15.2.1-011
CVE-2025-20180	Low	February 5, 2025 2/5/25	== 12.8.1-002 == 12.8.1-021 == 13.0.0-249 == 13.0.0-277 == 13.6.1-201 == 13.6.2-023 == 13.6.2-078 == 13.8.1-052 == 13.8.1-068 == 13.8.1-074 == 13.8.1-108 == 14.0.0-404 == 14.1.0-227 == 14.2.0-203 == 14.2.0-212 == 14.2.0-224 == 14.3.0-120 == 15.0.0-334 == 15.5.1-024 == 15.5.1-029 == 15.5.2-005 == 16.0.0-195 == 13.0.0-392 == 13.0.5-007 == 13.5.1-277 == 13.5.4-038 == 14.0.0-698 == 14.2.0-620 == 14.2.1-020 == 14.3.0-032 == 15.0.0-104 == 15.0.1-030 == 15.0.3-002 == 15.5.0-048 == 15.5.1-055 == 15.5.2-018 == 16.0.0-050 == 16.0.0-054
CVE-2021-1425	Low	November 18, 2024 11/18/24	< 13.8.0
CVE-2022-20871	Medium	November 15, 2024 11/15/24	== 12.5.1-011 == 12.5.2-007 == 12.5.2-011 == 12.5.3-002 == 12.5.4-005 == 12.5.4-011 == 14.0.2-012 == 14.1.0-032 == 14.1.0-041 == 14.1.0-047 == 14.5.0-498
CVE-2024-20504	Medium	November 6, 2024 11/6/24	== 14.0.0-698 == 14.2.0-620 == 14.2.1-020 == 14.3.0-032 == 15.0.0-104 == 15.0.1-030 == 15.5.0-048 == 15.5.1-055 == 14.0.0-404 == 14.1.0-223 == 14.1.0-227 == 14.2.0-212 == 14.2.0-224 == 14.3.0-120 == 15.0.0-334 == 15.5.1-024 == 15.5.1-029 == 14.0.2-012 == 14.0.3-014 == 14.0.4-005 == 14.0.5-007 == 14.1.0-032 == 14.1.0-041 == 14.1.0-047 == 14.5.0-498 == 14.5.1-008 == 14.5.1-016 == 14.5.1-510 == 14.5.1-607 == 14.5.2-011 == 14.5.3-033 == 15.0.0-322 == 15.0.0-355 == 15.1.0-287 == 15.2.0-116 == 15.2.0-164
CVE-2024-20435	High	July 17, 2024 7/17/24	== 11.7.0-406 == 11.7.0-418 == 11.7.1-006 == 11.7.1-020 == 11.7.1-049 == 11.7.2-011 == 11.8.0-414 == 11.8.1-023 == 11.8.3-018 == 11.8.3-021 == 12.0.1-268 == 12.0.3-007 == 12.5.1-011 == 12.5.2-007 == 12.5.4-005 == 12.5.5-004 == 12.5.6-008 == 14.0.2-012 == 14.0.3-014 == 14.0.4-005 == 14.0.5-007 == 14.5.0-498 == 14.5.1-016 == 14.5.2-011 == 15.0.0-322 == 15.0.0-355 == 15.1.0-287
CVE-2024-20429	Medium	July 17, 2024 7/17/24	== 11.0.3-238 == 11.1.0-069 == 11.1.0-128 == 11.1.0-131 == 12.0.0-419 == 12.1.0-071 == 12.1.0-087 == 12.1.0-089 == 12.5.0-066 == 12.5.3-041 == 12.5.4-041 == 13.0.0-392 == 13.0.5-007 == 13.5.1-277 == 13.5.4-038 == 14.0.0-698 == 14.2.0-620 == 14.2.1-020
CVE-2024-20392	Medium	May 15, 2024 5/15/24	== 11.0.3-238 == 11.1.0-069 == 11.1.0-128 == 12.0.0-419 == 12.1.0-071 == 12.1.0-087 == 12.1.0-089 == 12.5.0-066 == 12.5.3-041 == 12.5.4-041 == 13.0.0-392 == 13.0.5-007 == 13.5.1-277 == 13.5.4-038 == 14.0.0-698 == 14.2.0-620 == 14.2.1-020 == 14.3.0-032 == 15.0.0-104 == 15.0.1-030 == 15.5.0-048
CVE-2024-20258	Medium	May 15, 2024 5/15/24	< 15.0.2-034 >= 15.5 < 15.5.1-055 < 15.5.1-024
CVE-2024-20383	Low	May 15, 2024 5/15/24	< 15.5.1-024
CVE-2024-20257	Low	May 15, 2024 5/15/24	== 11.0.3-238 == 11.1.0-069 == 11.1.0-128 == 11.1.0-131 == 12.0.0-419 == 12.1.0-071 == 12.1.0-087 == 12.1.0-089 == 12.5.0-066 == 12.5.3-041 == 12.5.4-041 == 13.0.0-392 == 13.0.5-007 == 13.5.1-277 == 13.5.4-038 == 14.0.0-698 == 14.2.0-620 == 14.2.1-020 == 14.3.0-032 == 15.0.0-104 == 15.0.1-030 == 15.5.0-048
CVE-2024-20256	Low	May 15, 2024 5/15/24	== 11.7.0-406 == 11.7.0-418 == 11.7.1-006 == 11.7.1-020 == 11.7.1-049 == 11.7.2-011 == 11.8.0-414 == 11.8.1-023 == 11.8.3-018 == 11.8.3-021 == 12.0.1-268 == 12.0.3-007 == 12.5.1-011 == 12.5.2-007 == 12.5.4-005 == 12.5.5-004 == 12.5.6-008 == 14.0.2-012 == 14.0.3-014 == 14.0.4-005 == 14.5.0-498 == 14.5.1-016 == 15.0.0-322 == 9.0.0-087 == 11.0.0-115 == 11.0.1-161 == 11.5.1-105 == 12.0.0-452 == 12.0.1-011 == 12.5.0-636 == 12.5.0-658 == 12.5.0-670 == 12.5.0-678 == 12.8.1-002 == 12.8.1-021 == 13.0.0-277 == 13.6.2-078 == 13.8.1-068 == 13.8.1-074 == 13.8.1-108 == 14.0.0-404 == 14.1.0-223 == 14.1.0-227 == 14.2.0-212 == 14.2.0-224 == 14.2.1-020 == 14.3.0-120 == 15.0.0-334
CVE-2020-26082	Medium	August 4, 2023 8/4/23	< 13.5.2
CVE-2023-20215	Medium	August 3, 2023 8/3/23	== 11.7.0-406 == 11.7.0-418 == 11.7.1-006 == 11.7.1-020 == 11.7.1-049 == 11.7.2-011 == 11.8.0-414 == 11.8.1-023 == 11.8.3-018 == 11.8.3-021 == 12.0.1-268 == 12.0.3-007 == 12.5.1-011 == 12.5.2-007 == 12.5.4-005 == 12.5.5-004 == 14.0.2-012 == 14.0.3-014 == 14.0.4-005 == 14.5.0-498 == 14.5.1-008 == 14.5.1-016
CVE-2022-20952	Medium	March 1, 2023 3/1/23	>= 11.8 < 14.0.4 == 14.5.0
CVE-2022-20942	Medium	November 4, 2022 11/4/22	< 14.2.1-015 >= 14.3.0 < 14.3.0-023 < 14.2.0-217 >= 14.3.0 < 14.3.0-115 < 12.0.5-011 >= 12.5 < 12.5.4-005 >= 14.0 < 14.0.2-012
CVE-2022-20867	Medium	November 4, 2022 11/4/22	>= 13.0 < 14.2.1 >= 12.0 < 14.2.0
CVE-2022-20868	Low	November 4, 2022 11/4/22	>= 13.0 < 14.2.1 >= 12.0 < 14.2.0 >= 11.8 < 12.5.5 >= 14.0 < 14.0.4 == 14.5
CVE-2022-20675	Medium	April 6, 2022 4/6/22	>= 14.0 < 14.02.0-020 >= 12.5 < 14.1.0-239 >= 12.0 < 14.0.2-012
CVE-2022-20781	Medium	April 6, 2022 4/6/22	< 14.5
CVE-2022-20653	High	February 17, 2022 2/17/22	>= 14.0 < 14.0.2.020 >= 13.5.0 < 13.5.4.102 < 13.0.3
CVE-2021-34741	High	November 4, 2021 11/4/21	< 13.0.4 == 13.5.3-010 == 13.7.0-093
CVE-2021-34698	High	October 6, 2021 10/6/21	>= 12.0 < 12.0.3-005 >= 12.5 < 12.5.2-007 >= 14.0 < 14.0.1-014
CVE-2021-1534	Medium	October 6, 2021 10/6/21	< 14.0.1
CVE-2021-1359	Medium	July 8, 2021 7/8/21	>= 11.8.0 < 12.0.3-005 >= 12.5.0 < 12.5.2
CVE-2021-1566	High	June 16, 2021 6/16/21	< 12.5.3-035 >= 13.0 < 13.0.0-030 >= 13.5 < 13.5.3-010 < 11.8.3-021 >= 12.0.0 < 12.0.3-005 >= 12.5.0 < 12.5.1-043
CVE-2020-3367	High	November 18, 2020 11/18/20	>= 12.5.0 < 12.5.1-011 >= 12.0.0 < 12.0.2 >= 11.8.0 < 11.8.2-009 < 11.7.2-011
CVE-2020-3568	Medium	October 8, 2020 10/8/20	<= 13.5.2
CVE-2019-1947	High	September 23, 2020 9/23/20	== 12.1.0-085
CVE-2019-1983	Medium	September 23, 2020 9/23/20	< 11.0.1-161 >= 12.0 <= 12.5.0-633 < 11.0.3-251 >= 12.0 < 12.5.0-059
CVE-2020-3546	Medium	September 4, 2020 9/4/20	<= 13.5.1
CVE-2020-3547	Low	September 4, 2020 9/4/20	<= 13.5.1-277 <= 13.6.1-193 <= 11.7.2-011
CVE-2020-3368	Medium	June 18, 2020 6/18/20	< 13.5.0
CVE-2019-15956	High	November 26, 2019 11/26/19	>= 10.1 < 10.1.5-004 >= 11.7 < 11.7.1-006 >= 10.5 < 11.5.3-016
CVE-2019-1886	High	July 4, 2019 7/4/19	>= 10.5 < 10.5.5-005 >= 11.5 < 11.5.2-020
CVE-2019-1884	Low	July 4, 2019 7/4/19	>= 11.5 < 11.5.2-020 >= 10.1 < 10.5.5-005 >= 11.7 < 11.7.0-407
CVE-2018-15460	High	January 10, 2019 1/10/19	< 11.0.2-044_md >= 11.1.0 < 11.1.2-023_md
CVE-2018-0087	Medium	March 8, 2018 3/8/18	== 10.5.1-296
CVE-2018-0095	High	January 18, 2018 1/18/18	== 9.1.1-005 == 9.7.2-065
CVE-2017-12303	Medium	November 16, 2017 11/16/17	== 10.1.1-234 == 10.1.1-235
CVE-2017-12215	High	September 21, 2017 9/21/17	== 9.0 == 9.1 == 9.1.2 == 9.5 == 9.6 == 9.7 == 9.8
CVE-2016-1461	High	August 1, 2016 8/1/16	<= 9.7.0-125
CVE-2016-1438	Medium	June 23, 2016 6/23/16	== 9.7.0-125
CVE-2015-0605	Low	February 7, 2015 2/7/15	<= 8.5
CVE-2014-3381	Medium	October 19, 2014 10/19/14	<= 8.5

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Frequently Asked Questions

What is a Vulnerability (CVE) and why does it matter?

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.