Vulnerability Database

383,371

Total vulnerabilities in the database

CVE-2025-20184 — cisco / asyncos

Improper Input Validation

A vulnerability in the web-based management interface of Cisco AsyncOS Software for Cisco Secure Email Gateway and Cisco Secure Web Appliance could allow an authenticated, remote attacker to perform command injection attacks against an affected device. The attacker must authenticate with valid administrator credentials.

This vulnerability is due to insufficient validation of XML configuration files by an affected device. An attacker could exploit this vulnerability by uploading a crafted XML configuration file. A successful exploit could allow the attacker to inject commands to the underlying operating system with root privileges.

  • Published: Feb 5, 2025
  • Updated: Sep 13, 2026
  • CVE: CVE-2025-20184
  • Severity: Medium
  • Exploit:
  • CISA KEV:

CVSS v3:

  • Severity: Medium
  • Score: 6.5
  • AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N
Software Affected versions
cisco / asyncos = 13.0.0-392
cisco / asyncos = 13.0.5-007
cisco / asyncos = 13.5.1-277
cisco / asyncos = 13.5.4-038
cisco / asyncos = 14.0.0-698
cisco / asyncos = 14.2.0-620
cisco / asyncos = 14.2.1-020
cisco / asyncos = 14.3.0-032
cisco / asyncos = 15.0.0-104
cisco / asyncos = 15.0.1-030
cisco / asyncos = 15.0.3-002
cisco / asyncos = 15.5.0-048
cisco / asyncos = 15.5.1-055
cisco / asyncos = 15.5.2-018
cisco / asyncos = 15.5.3-022
cisco / asyncos = 11.8.0-414
cisco / asyncos = 11.8.0-429
cisco / asyncos = 11.8.0-453
cisco / asyncos = 11.8.1-023
cisco / asyncos = 11.8.3-018
cisco / asyncos = 11.8.3-021
cisco / asyncos = 11.8.4-004
cisco / asyncos = 12.0.1-268
cisco / asyncos = 12.0.1-334
cisco / asyncos = 12.0.2-004
cisco / asyncos = 12.0.2-012
cisco / asyncos = 12.0.3-005
cisco / asyncos = 12.0.3-007
cisco / asyncos = 12.0.4-002
cisco / asyncos = 12.0.5-011
cisco / asyncos = 12.5.1-011
cisco / asyncos = 12.5.1-043
cisco / asyncos = 12.5.2-007
cisco / asyncos = 12.5.2-011
cisco / asyncos = 12.5.3-002
cisco / asyncos = 12.5.4-005
cisco / asyncos = 12.5.4-011
cisco / asyncos = 12.5.5-004
cisco / asyncos = 12.5.5-005
cisco / asyncos = 12.5.5-008
cisco / asyncos = 12.5.6-008
cisco / asyncos = 14.0.1-014
cisco / asyncos = 14.0.1-040
cisco / asyncos = 14.0.1-053
cisco / asyncos = 14.0.1-503
cisco / asyncos = 14.0.2-012
cisco / asyncos = 14.0.3-014
cisco / asyncos = 14.0.4-005
cisco / asyncos = 14.0.5-007
cisco / asyncos = 14.1.0-032
cisco / asyncos = 14.1.0-041
cisco / asyncos = 14.1.0-047
cisco / asyncos = 14.5.0-498
cisco / asyncos = 14.5.0-537
cisco / asyncos = 14.5.0-673
cisco / asyncos = 14.5.1-008
cisco / asyncos = 14.5.1-016
cisco / asyncos = 14.5.1-510
cisco / asyncos = 14.5.1-607
cisco / asyncos = 14.5.2-011
cisco / asyncos = 14.5.3-033
cisco / asyncos = 15.0.0-322
cisco / asyncos = 15.0.0-355
cisco / asyncos = 15.0.1-004
cisco / asyncos = 15.1.0-287
cisco / asyncos = 15.2.0-116
cisco / asyncos = 15.2.0-164
cisco / asyncos = 15.2.1-011

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.