CVE-2021-29495

—

CVSS 3.1

7.5 high

EPSS

<1%p41

Published

May 7, 2021 (May 7, 2021)

Modified

Jun 17, 2026

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.

Vendors: nim-lang
Products: nim
Weakness: CWE-295
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

NVD CVE.org GitHub PoCs EPSS (0.5%)

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