Vulnerability · Published Aug 10, 2021 · Assigned by mitre
CVE-2020-23171
Medium 5.5
In plain English
A medium-severity security flaw in the nim package (Ubuntu). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 52% of all known vulnerabilities).
Severity (CVSS NVD)5.5Medium
Exploit odds (30 days)0.7%top 48.4% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu:24.04:LTS | nim | no fix listed | UBUNTU-CVE-2020-23171 |
| Ubuntu:25.10 | nim | no fix listed | UBUNTU-CVE-2020-23171 |
| Ubuntu:26.04:LTS | nim | no fix listed | UBUNTU-CVE-2020-23171 |
| Ubuntu:26.10 | nim | no fix listed | UBUNTU-CVE-2020-23171 |
Affected products (as reported)
References
- https://github.com/nim-lang/zip/issues/54 x_refsource_MISC