electron-packager up to 6.0.2 on Node.js Strict SSL certificate validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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A vulnerability was found in electron-packager up to 6.0.2 on Node.js (JavaScript Library). It has been classified as critical. This affects an unknown function of the component Strict SSL Handler. The manipulation 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 summary by CVE is:

electron-packager is a command line tool that packages Electron source code into `.app` and `.exe` packages. along with Electron. The `--strict-ssl` command line option in electron-packager >= 5.2.1 <= 6.0.0 || >=6.0.0 <= 6.0.2 defaults to false if not explicitly set to true. This could allow an attacker to perform a man in the middle attack.

The bug was discovered 04/22/2016. The weakness was shared 05/31/2018 (Website). It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2016-10534 since 10/29/2017. The exploitability is told to be difficult. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1587.003 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 769 days. During that time the estimated underground price was around $0-$5k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.





CPE 2.3info

CPE 2.2info


VulDB Meta Base Score: 5.7
VulDB Meta Temp Score: 5.7

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

NVD Base Score: 5.9
NVD Vector: 🔍



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

NVD Base Score: 🔍


Class: Certificate validation
CWE: CWE-295 / CWE-287
ATT&CK: T1587.003

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍


Threat Intelligenceinfo

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


Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍


04/22/2016 🔍
10/29/2017 +555 days 🔍
05/31/2018 +213 days 🔍
05/31/2018 +0 days 🔍
06/01/2018 +1 days 🔍
03/17/2023 +1750 days 🔍


Advisory: 333
Status: Not defined

CVE: CVE-2016-10534 (🔍)


Created: 06/01/2018 09:33 AM
Updated: 03/17/2023 08:23 PM
Changes: 06/01/2018 09:33 AM (58), 02/10/2020 10:46 AM (1), 03/17/2023 08:23 PM (3)
Complete: 🔍


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