CVE-2020-23171

5.5 mediumEPSS 0.7%

Medium (5.5) in nim-lang nim-lang. EPSS 0.7% chance of exploitation in the next 30 days.

A vulnerability in all versions of Nim-lang allows unauthenticated attackers to write files to arbitrary directories via a crafted zip file with dot-slash characters included in the name of the crafted file.

Severity

CVSS 3.1

5.5 medium

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

EPSS: 0.7% chance of exploitation in the next 30 days; higher than 51% of CVEs (scores of 2026-10-31)
CWE: CWE-610
Published: 2021-08-10
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

nim-lang:nim-lang

References

https://github.com/nim-lang/zip/issues/54
https://github.com/nim-lang/zip/issues/54

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