--- title: "CX-2021-4772" date: "2021-01-20T07:00:00+00:00" url: "https://checkmarx.com/zero/vulnerabilities/cx-2021-4772/" --- # CX-2021-4772 [Disclosed vulnerabilities](https://checkmarx.com/zero/vulnerabilities/) Fixed: Jan 20, 2021 CVE-2021-3190 **Published:** Jan 20, 2021 9.8 Critical Severity javascript node nodejs npm RCE typescript AZ Adar Zandberg Reported by Checkmarx Zero Details Overview ## Summary The `tag` and `reset` functions are exposed to a shell injection vulnerability. Untrusted inputs containing metacharacters can potentially execute malicious code. ## Product async-git before 1.13.1 ## Impact This issue may lead to remote code execution if a client of the library calls the vulnerable method with untrusted input. ## Steps to reproduce ```js const git = require('async-git'); git.reset('; touch HACKED #')` // or git.tag('; touch HACKED #') ``` ### Expected result: A file named `HACKED` has been created ## Remediation Sanitize untrusted user input before passing it to one of the vulnerable functions or update async-git to version 1.13.1. ## Credit This issue was discovered and reported by Checkmarx SCA Security Analyst [Adar Zandberg](https://www.linkedin.com/in/adarz). ## Resources 1. [af4c2aa](https://github.com/omrilotan/async-git/commit/af4c2aa0bf52e01d866cb8435f942dd404c8eb35) 0 Critical Severity CVSS v3.1 Score 9.8 CVSS v3.1 Vectors- Attack Vector: Network - Attack Complexity: Low - Privileges Required: None - User Interaction: None - Scope: Unchanged - Confidentiality Impact: High - Integrity Impact: High - Availability Impact: High Advisory Timeline1. Disclosed Jan 20, 2021 2. Fixed Jan 20, 2021 ## Explore more findings [27 Nov 2025 CVE-2025-34281 Stored Cross-Site Scripting (XSS) in ThingsBoard 6.2 Visit the page](https://checkmarx.com/zero/vulnerabilities/cve-2025-34281/) [17 Jan 2025 CVE-2025-0825 HTTP Response Splitting in cpp-httplib 6.9 Visit the page](https://checkmarx.com/zero/vulnerabilities/cve-2025-0825/) [17 Jun 2025 CVE-2025-6050 Stored Cross-Site Scripting (XSS) in Mezzanine CMS Admin Interface 4.8 Visit the page](https://checkmarx.com/zero/vulnerabilities/cve-2025-6050/) [12 Dec 2024 CVE-2024-8374 Code Injection in UltiMaker Cura 7.8 Visit the page](https://checkmarx.com/zero/vulnerabilities/cve-2024-8374/) [14 Nov 2024 CVE-2024-52526 Stored Cross-site Scripting in @LibreNMS/LibreNMS Services Tab 7.5 Visit the page](https://checkmarx.com/zero/vulnerabilities/cve-2024-52526/) [14 Nov 2024 CVE-2024-51497 Stored Cross-site Scripting in @LibreNMS/LibreNMS Custom OID Tab 7.5 Visit the page](https://checkmarx.com/zero/vulnerabilities/cve-2024-51497/) [14 Nov 2024 CVE-2024-51496 Reflected Cross-site Scripting in @LibreNMS/LibreNMS /wireless and /health endpoints 7.5 Visit the page](https://checkmarx.com/zero/vulnerabilities/cve-2024-51496/) [ 14 Nov 2024 CVE-2024-51495 Stored Cross-site Scripting in @LibreNMS/LibreNMS Device Overview `overwrite\_ip` Field 7.5 Visit the page ](https://checkmarx.com/zero/vulnerabilities/cve-2024-51495/) [14 Nov 2024 CVE-2024-51494 Stored Cross-site Scripting in @LibreNMS/LibreNMS Port Settings 7.5 Visit the page](https://checkmarx.com/zero/vulnerabilities/cve-2024-51494/) [14 Nov 2024 CVE-2024-50352 Stored Cross-site Scripting in @LibreNMS/LibreNMS Services Section of Device Overview 7.5 Visit the page](https://checkmarx.com/zero/vulnerabilities/cve-2024-50352/) [14 Nov 2024 CVE-2024-50351 Reflected Cross-site Scripting in @LibreNMS/LibreNMS Logs Tab 7.5 Visit the page](https://checkmarx.com/zero/vulnerabilities/cve-2024-50351/) [14 Nov 2024 CVE-2024-50350 Stored Cross-site Scripting in @LibreNMS/LibreNMS Port Settings Port Group 7.5 Visit the page](https://checkmarx.com/zero/vulnerabilities/cve-2024-50350/)