What is CVE-2021-29495?

CVE-2021-29495 is a medium-severity vulnerability in Nim-lang Nim, classified under Improper Certificate Validation. CVSS score: 5.9/10. Published 2021-05-07.

How severe is CVE-2021-29495?

Medium severity. CVSS v3 base score is 5.9 out of 10.

Vulnerability in Nim-lang Nim

CVE-2021-29495

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 work…

Vulnerability class: Improper Certificate Validation

EPSS: 0.005 (39.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N.

Affected products

Nim-lang Nim
Nim-lang Security — versions < 1.4.2

Weakness classification (CWE)

CWE-295 — Improper Certificate Validation

References

security-advisories@github.com (x_refsource_CONFIRM, Third Party Advisory)

Frequently asked questions

What is CVE-2021-29495?: CVE-2021-29495 is a medium-severity vulnerability in Nim-lang Nim, classified under Improper Certificate Validation. CVSS score: 5.9/10. Published 2021-05-07.
How severe is CVE-2021-29495?: Medium severity. CVSS v3 base score is 5.9 out of 10.