VDB-180981 · CVE-2021-22939 · Nessus 216256

Node.js https API rejectUnauthorized certificate validation

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.4	$0-$5k	0.00

Summaryinfo

A vulnerability has been found in Node.js and classified as critical. This impacts an unknown function of the component https API. Performing a manipulation of the argument rejectUnauthorized results in certificate validation. This vulnerability is identified as CVE-2021-22939. The attack can be initiated remotely. There is not any exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as critical has been found in Node.js (JavaScript Library) (the affected version unknown). This affects an unknown part of the component https API. The manipulation of the argument rejectUnauthorized with an unknown input leads to a certificate validation vulnerability. CWE is classifying the issue as CWE-295. The product does not validate, or incorrectly validates, a certificate. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was released 08/17/2021. The advisory is shared at nodejs.org. This vulnerability is uniquely identified as CVE-2021-22939. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1587.003 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 216256 (Oracle Linux 8 : nodejs:20 (ELSA-2025-1351)), which helps to determine the existence of the flaw in a target environment.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (216256). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

JavaScript Library

Name

Node.js

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.6
VulDB Meta Temp Score: 5.4

VulDB Base Score: 5.6
VulDB Temp Score: 5.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Certificate validation
CWE: CWE-295 / CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Nessus ID: 216256
Nessus Name: Oracle Linux 8 : nodejs:20 (ELSA-2025-1351)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/06/2021 🔍
08/17/2021 +222 days 🔍
08/17/2021 +0 days 🔍
05/08/2026 +1725 days 🔍

Sourcesinfo

Advisory: nodejs.org
Status: Confirmed

CVE: CVE-2021-22939 (🔍)
GCVE (CVE): GCVE-0-2021-22939
GCVE (VulDB): GCVE-100-180981

Entryinfo

Created: 08/17/2021 08:54
Updated: 05/08/2026 10:52
Changes: 08/17/2021 08:54 (36), 08/19/2021 12:19 (2), 02/15/2025 00:53 (16), 05/08/2026 10:49 (1), 05/08/2026 10:52 (4)
Complete: 🔍
Committer: lywand
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.