Vulnerability Database

327,594

Total vulnerabilities in the database

CVE-2024-42365

Asterisk is an open source private branch exchange (PBX) and telephony toolkit. Prior to asterisk versions 18.24.2, 20.9.2, and 21.4.2 and certified-asterisk versions 18.9-cert11 and 20.7-cert2, an AMI user with write=originate may change all configuration files in the /etc/asterisk/ directory. This occurs because they are able to curl remote files and write them to disk, but are also able to append to existing files using the FILE function inside the SET application. This issue may result in privilege escalation, remote code execution and/or blind server-side request forgery with arbitrary protocol. Asterisk versions 18.24.2, 20.9.2, and 21.4.2 and certified-asterisk versions 18.9-cert11 and 20.7-cert2 contain a fix for this issue.

  • Published: Aug 8, 2024
  • Updated: Nov 4, 2025
  • CVE: CVE-2024-42365
  • Severity: High
  • Exploit:

CVSS v3:

  • Severity: High
  • Score: 7.4
  • AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L
Software From Fixed in
asterisk / asterisk 19.0.0 20.9.1
asterisk / asterisk - 18.24.2
asterisk / asterisk 21.4.0 21.4.0.x
asterisk / certified_asterisk 13.13.0-cert3 13.13.0-cert3.x
asterisk / certified_asterisk 13.13.0-cert1 13.13.0-cert1.x
asterisk / certified_asterisk 13.13.0-rc2 13.13.0-rc2.x
asterisk / certified_asterisk 13.13.0-cert2 13.13.0-cert2.x
asterisk / certified_asterisk 13.13.0 13.13.0.x
asterisk / certified_asterisk 13.13.0-rc1 13.13.0-rc1.x
asterisk / certified_asterisk 13.13.0-cert1-rc4 13.13.0-cert1-rc4.x
asterisk / certified_asterisk 13.13.0-cert1-rc1 13.13.0-cert1-rc1.x
asterisk / certified_asterisk 13.13.0-cert1-rc3 13.13.0-cert1-rc3.x
asterisk / certified_asterisk 13.13.0-cert1-rc2 13.13.0-cert1-rc2.x
asterisk / certified_asterisk 16.8.0-cert12 16.8.0-cert12.x
asterisk / certified_asterisk 16.8.0-cert11 16.8.0-cert11.x
asterisk / certified_asterisk 16.8.0-cert10 16.8.0-cert10.x
asterisk / certified_asterisk 16.8.0-cert9 16.8.0-cert9.x
asterisk / certified_asterisk 16.8.0-cert8 16.8.0-cert8.x
asterisk / certified_asterisk 16.8.0-cert7 16.8.0-cert7.x
asterisk / certified_asterisk 16.8.0-cert6 16.8.0-cert6.x
asterisk / certified_asterisk 16.8.0-cert5 16.8.0-cert5.x
asterisk / certified_asterisk 16.8.0-cert4 16.8.0-cert4.x
asterisk / certified_asterisk 16.8.0-cert3 16.8.0-cert3.x
asterisk / certified_asterisk 16.8.0-cert2 16.8.0-cert2.x
asterisk / certified_asterisk 16.8.0-cert1 16.8.0-cert1.x
asterisk / certified_asterisk 16.8.0 16.8.0.x
asterisk / certified_asterisk 16.8-cert10 16.8-cert10.x
asterisk / certified_asterisk 16.8-cert11 16.8-cert11.x
asterisk / certified_asterisk 16.8-cert12 16.8-cert12.x
asterisk / certified_asterisk 16.8-cert13 16.8-cert13.x
asterisk / certified_asterisk 16.8-cert14 16.8-cert14.x
asterisk / certified_asterisk 16.8-cert1-rc1 16.8-cert1-rc1.x
asterisk / certified_asterisk 16.8-cert1-rc2 16.8-cert1-rc2.x
asterisk / certified_asterisk 16.8-cert1-rc3 16.8-cert1-rc3.x
asterisk / certified_asterisk 16.8-cert1-rc4 16.8-cert1-rc4.x
asterisk / certified_asterisk 16.8-cert1-rc5 16.8-cert1-rc5.x
asterisk / certified_asterisk 16.8-cert4-rc1 16.8-cert4-rc1.x
asterisk / certified_asterisk 16.8-cert4-rc2 16.8-cert4-rc2.x
asterisk / certified_asterisk 16.8-cert4-rc3 16.8-cert4-rc3.x
asterisk / certified_asterisk 16.8-cert4-rc4 16.8-cert4-rc4.x
asterisk / certified_asterisk 18.9-cert1 18.9-cert1.x
asterisk / certified_asterisk 18.9-cert10 18.9-cert10.x
asterisk / certified_asterisk 18.9-cert1-rc1 18.9-cert1-rc1.x
asterisk / certified_asterisk 18.9-cert2 18.9-cert2.x
asterisk / certified_asterisk 18.9-cert3 18.9-cert3.x
asterisk / certified_asterisk 18.9-cert4 18.9-cert4.x
asterisk / certified_asterisk 18.9-cert5 18.9-cert5.x
asterisk / certified_asterisk 18.9-cert6 18.9-cert6.x
asterisk / certified_asterisk 18.9-cert7 18.9-cert7.x
asterisk / certified_asterisk 18.9-cert8 18.9-cert8.x
asterisk / certified_asterisk 18.9-cert8-rc1 18.9-cert8-rc1.x
asterisk / certified_asterisk 18.9-cert8-rc2 18.9-cert8-rc2.x
asterisk / certified_asterisk 18.9-cert9 18.9-cert9.x
asterisk / certified_asterisk 20.7-cert1 20.7-cert1.x
asterisk / certified_asterisk 20.7-cert1-rc1 20.7-cert1-rc1.x
asterisk / certified_asterisk 20.7-cert1-rc2 20.7-cert1-rc2.x

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.