CVE-2021-22939

nodejs: Incomplete validation of tls rejectUnauthorized parameter

Severity Score

5.3

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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.

Si la API https de Node.js, era usada incorrectamente y se pasaba "undefined" para el parámetro "rejectUnauthorized", no fue devuelto ningún error y se aceptaban las conexiones a servidores con un certificado caducado.

A flaw was found in Node.js. If the Node.js HTTPS API is used incorrectly and "undefined" is passed for the "rejectUnauthorized" parameter, no error is returned, and the connections to servers with an expired certificate are accepted. The highest threat from this vulnerability is to integrity.

An update that fixes 5 vulnerabilities is now available. This update for nodejs14 fixes the following issues. Fixed missing input validation on hostnames. Fixed improper handling of untypical characters in domain names. Use after free on close http2 on stream canceling Incomplete validation of rejectUnauthorized parameter. Fixed use after free on close http2 on stream canceling. This update was imported from the SUSE:SLE-15-SP2:Update update project.

*Credits: N/A

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

Low

Availability

None

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

Low

Availability

None

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

Partial

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-01-06 CVE Reserved
2021-08-16 CVE Published
2025-04-30 CVE Updated
2025-04-30 First Exploit
2025-07-08 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-20: Improper Input Validation
CWE-295: Improper Certificate Validation

CAPEC

References (11)

URL	Tag	Source
https://lists.debian.org/debian-lts-announce/2022/10/msg00006.html	Issue Tracking
https://security.netapp.com/advisory/ntap-20210917-0003	Third Party Advisory

URL	Date	SRC
https://hackerone.com/reports/1278254	2025-04-30

URL	Date	SRC
https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf	2024-01-05
https://nodejs.org/en/blog/vulnerability/aug-2021-security-releases	2024-01-05
https://www.oracle.com/security-alerts/cpujan2022.html	2024-01-05
https://www.oracle.com/security-alerts/cpujul2022.html	2024-01-05
https://www.oracle.com/security-alerts/cpuoct2021.html	2024-01-05

URL	Date	SRC
https://security.gentoo.org/glsa/202401-02	2024-01-05
https://access.redhat.com/security/cve/CVE-2021-22939	2021-09-27
https://bugzilla.redhat.com/show_bug.cgi?id=1993039	2021-09-27

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Nodejs Search vendor "Nodejs"		Node.js Search vendor "Nodejs" for product "Node.js"				>= 12.0.0 < 12.22.5 Search vendor "Nodejs" for product "Node.js" and version " >= 12.0.0 < 12.22.5"		lts		Affected
Nodejs Search vendor "Nodejs"		Node.js Search vendor "Nodejs" for product "Node.js"				>= 14.0.0 < 14.17.5 Search vendor "Nodejs" for product "Node.js" and version " >= 14.0.0 < 14.17.5"		lts		Affected
Nodejs Search vendor "Nodejs"		Node.js Search vendor "Nodejs" for product "Node.js"				>= 16.0.0 < 16.6.2 Search vendor "Nodejs" for product "Node.js" and version " >= 16.0.0 < 16.6.2"		-		Affected
Oracle Search vendor "Oracle"		Graalvm Search vendor "Oracle" for product "Graalvm"				20.3.3 Search vendor "Oracle" for product "Graalvm" and version "20.3.3"		enterprise		Affected
Oracle Search vendor "Oracle"		Graalvm Search vendor "Oracle" for product "Graalvm"				21.2.0 Search vendor "Oracle" for product "Graalvm" and version "21.2.0"		enterprise		Affected
Oracle Search vendor "Oracle"		Jd Edwards Enterpriseone Tools Search vendor "Oracle" for product "Jd Edwards Enterpriseone Tools"				<= 9.2.6.1 Search vendor "Oracle" for product "Jd Edwards Enterpriseone Tools" and version " <= 9.2.6.1"		-		Affected
Oracle Search vendor "Oracle"		Mysql Cluster Search vendor "Oracle" for product "Mysql Cluster"				<= 8.0.26 Search vendor "Oracle" for product "Mysql Cluster" and version " <= 8.0.26"		-		Affected
Oracle Search vendor "Oracle"		Peoplesoft Enterprise Peopletools Search vendor "Oracle" for product "Peoplesoft Enterprise Peopletools"				8.57 Search vendor "Oracle" for product "Peoplesoft Enterprise Peopletools" and version "8.57"		-		Affected
Oracle Search vendor "Oracle"		Peoplesoft Enterprise Peopletools Search vendor "Oracle" for product "Peoplesoft Enterprise Peopletools"				8.58 Search vendor "Oracle" for product "Peoplesoft Enterprise Peopletools" and version "8.58"		-		Affected
Oracle Search vendor "Oracle"		Peoplesoft Enterprise Peopletools Search vendor "Oracle" for product "Peoplesoft Enterprise Peopletools"				8.59 Search vendor "Oracle" for product "Peoplesoft Enterprise Peopletools" and version "8.59"		-		Affected
Netapp Search vendor "Netapp"		Nextgen Api Search vendor "Netapp" for product "Nextgen Api"				-		-		Affected
Siemens Search vendor "Siemens"		Sinec Infrastructure Network Services Search vendor "Siemens" for product "Sinec Infrastructure Network Services"				< 1.0.1.1 Search vendor "Siemens" for product "Sinec Infrastructure Network Services" and version " < 1.0.1.1"		-		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				10.0 Search vendor "Debian" for product "Debian Linux" and version "10.0"		-		Affected