CVE-2020-15692
highpriority · track · 40EPSS 0.042 · 91 %ileEUUSEPSS · scored 2026-10-27
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 9–10
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (2)
Products and version ranges known to be affected.
also known as (2)
Other names and identifiers for this entity.
sources
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references (14)
External citations — patches, advisories, analysis.
- http://www.openwall.com/lists/oss-security/2021/02/04/1cnnvd
- https://consensys.net/diligence/vulnerabilities/nim-browsers-argument-injection/cnnvd
- https://github.com/nim-lang/Nim/blob/dc5a40f3f39c6ea672e6dc6aca7f8118a69dda99/lib/pure/browsers.nim#L48cnnvd
- https://nim-lang.org/blog/2020/07/30/versions-126-and-108-released.htmlcnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2020-15692cnnvd
- https://vigilance.fr/vulnerability/Nim-three-vulnerabilities-39107cnnvd
- http://www.openwall.com/lists/oss-security/2021/02/04/1enisa_euvd
- https://consensys.net/diligence/vulnerabilities/nim-browsers-argument-injection/enisa_euvd
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