CVE-2021-22939

Node.Js vulnerability

CVSS

5.3

EPSS

14.7%

EPSS pct

96th

Exploited

No known

If the Node.js https API was used incorrectly and "undefined" was in passed for the "rejectUnauthorized" parameter, no error was returned and connections to servers with an expired certificate would have been accepted.

Affected vendor

Nodejs

Affected product

Node.Js

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Weakness type (CWE)

CWE-295 — Improper Certificate Validation

Published

2021-08-16

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to low impact to integrity.

Its EPSS score of 14.7% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 96% of all scored CVEs.

Check your external exposure to CVE-2021-22939

Confirm whether Nodejs Node.Js is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2021-22939.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2021-22939

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