CVE-2020-15692
9.8
CRITICAL · CVSS 3.1 · EPSS 4.2% (pctl 91)
In your normal cycle
Critical by CVSS (9.8), but no sign of active exploitation.
Description
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.
Scoring
| CVSS | 9.8 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 4.21% — more likely to be exploited than 91% of all CVEs |
| Weakness | CWE-88 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2020-08-14 |
| Last modified | 2026-06-17 |
Affected (1)
| Vendor | Product |
|---|---|
| nim-lang | nim |
References
- http://www.openwall.com/lists/oss-security/2021/02/04/1
- https://consensys.net/diligence/vulnerabilities/nim-browsers-argument-injection/
- https://github.com/nim-lang/Nim/blob/dc5a40f3f39c6ea672e6dc6aca7f8118a69dda99/lib/pure/browsers.nim#L48
- 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://consensys.net/diligence/vulnerabilities/nim-browsers-argument-injection/
- https://github.com/nim-lang/Nim/blob/dc5a40f3f39c6ea672e6dc6aca7f8118a69dda99/lib/pure/browsers.nim#L48
- https://nim-lang.org/blog/2020/07/30/versions-126-and-108-released.html
→ the Explorer · watch your stack · NVD