CVE-2021-29495
7.5
HIGH
CVSS 3.1
EPSS 0.11%
Description
Nim is a statically typed compiled systems programming language. In Nim standard library before 1.4.2, httpClient SSL/TLS certificate verification was disabled by default. Users can upgrade to version 1.4.2 to receive a patch or, as a workaround, set "verifyMode = CVerifyPeer" as documented.
How to fix CVE-2021-29495
To remediate CVE-2021-29495, upgrade the affected package to a fixed version below.
- Debian/nim—upgrade to 1.4.2-1 or later
Is CVE-2021-29495 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 1.4.2-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |