CVSS 3.1
8.8 highCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HCVE-2021-21372
High (8.8) in nim-lang nim. EPSS 3.6% chance of exploitation in the next 30 days.
Nimble is a package manager for the Nim programming language. In Nim release version before versions 1.2.10 and 1.4.4, Nimble doCmd is used in different places and can be leveraged to execute arbitrary commands. An attacker can craft a malicious entry in the packages.json package list to trigger code execution.
Severity
- EPSS
- 3.6% chance of exploitation in the next 30 days; higher than 89% of CVEs (scores of 2026-11-01)
- CWEs
- CWE-78, CWE-20, CWE-74
- Published
- Modified
- Record from
- the NVD, synced
Affected
- nim-lang:nim
References
- https://consensys.net/diligence/vulnerabilities/nim-insecure-ssl-tls-defaults-remote-code-execution/
- https://github.com/nim-lang/nimble/blob/master/changelog.markdown#0130
- https://github.com/nim-lang/nimble/commit/7bd63d504a4157b8ed61a51af47fb086ee818c37
- https://github.com/nim-lang/security/security/advisories/GHSA-rg9f-w24h-962p
- https://consensys.net/diligence/vulnerabilities/nim-insecure-ssl-tls-defaults-remote-code-execution/