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MEDIUM

CVE-2021-22939

CVSS v3

5.3

MEDIUM

EPSS Score

14.7 %

exploit probability, as of 2026-10-19

CISA KEV

No

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • nodeBitnamifrom 12.0.0 · fixed in 12.22.5and 1 other package
  • nodejsAlmaLinux:8all versions · fixed in 1:12.22.5-1.module_el8.5.0+85+79a7b441
  • nodejs-docsAlmaLinux:8all versions · fixed in 1:12.22.5-1.module_el8.4.0+2529+af52a4c7and 2 other packages
  • nodejs-nodemonAlmaLinux:8all versions · fixed in 2.0.3-1.module_el8.4.0+2521+c668cc9f
  • nodejs-packagingAlmaLinux:8all versions · fixed in 23-3.module_el8.4.0+2522+3bd42762
  • npmAlmaLinux:8all versions · fixed in 1:6.14.14-1.12.22.5.1.module_el8.5.0+85+79a7b441

Vendor advisories

  • CVE-2021-22939 Red Hat Product Security194 products fixed · 1 known affected

    nodejs: Incomplete validation of tls rejectUnauthorized parameter

    quay/quay-rhel8 as a component of Red Hat Quay 3

  • ICSA-22-069-09 CISA1 known affected

    Siemens SINEC INS

    SINEC INS

  • SSA-389290 Siemens ProductCERT1 known affected

    SSA-389290: Third-Party Component Vulnerabilities in SINEC INS

    SINEC INS

  • RHSA-2021:3666 Red Hat Product Security30 products fixed

    Red Hat Security Advisory: nodejs:14 security and bug fix update

  • RHSA-2021:3638 Red Hat Product Security30 products fixed

    Red Hat Security Advisory: nodejs:12 security and bug fix update

  • RHSA-2021:3639 Red Hat Product Security30 products fixed

    Red Hat Security Advisory: nodejs:12 security and bug fix update

3 more advisories

Full record on NVD

Description

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.

Technical details

Published
2021-08-16

Frequently asked questions

What is CVE-2021-22939?

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.

Is CVE-2021-22939 actively exploited?

Active exploitation of CVE-2021-22939 has not been confirmed. Its EPSS score was 14.7% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-22939?

CVE-2021-22939 has a CVSS v3 base score of 5.3 (MEDIUM severity).

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