Vulnerability DatabaseCVE-2020-15692
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CVE-2020-15692
Published:August 14, 2020
Updated:July 21, 2026
In Nim 1.2.4, the standard library browsers mishandles the URL argument to browsers.openDefaultBrowser. This argument can be a local file path that will be opened in the default explorer. An attacker can pass one argument to the underlying open command to execute arbitrary registered system commands.
Related Resources (6)
https://security-tracker.debian.org/tracker/CVE-2020-15692
https://nim-lang.org/blog/2020/07/30/versions-126-and-108-released.html
http://www.openwall.com/lists/oss-security/2021/02/04/1
https://people.canonical.com/~ubuntu-security/cve/CVE-2020-15692
https://github.com/nim-lang/Nim/blob/dc5a40f3f39c6ea672e6dc6aca7f8118a69dda99/lib/pure/browsers.nim#L48
https://consensys.net/diligence/vulnerabilities/nim-browsers-argument-injection/
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CVSS v4
Base Score:
9.3
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
9.8
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Weakness Type (CWE)
Improper Neutralization of Argument Delimiters in a Command ('Argument Injection')
CWE-88
EPSS
Base Score:
4.21