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CRITICAL · 9.8

CVE-2019-19919

Versions of handlebars prior to 4.3.0 are vulnerable to Prototype Pollution leading to Remote Code Execution. Templates may alter an Object's __proto__ and __defineGetter__ properties, which may allow...

Vulnerability Description

Versions of handlebars prior to 4.3.0 are vulnerable to Prototype Pollution leading to Remote Code Execution. Templates may alter an Object's __proto__ and __defineGetter__ properties, which may allow an attacker to execute arbitrary code through crafted payloads.

CVSS Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
Handlebars.Js ProjectHandlebars.Js1.0.6
TenableTenable.Sc< 5.19.0

Related Weaknesses (CWE)

CWE-1321

References

FAQ

What is CVE-2019-19919?

CVE-2019-19919 is a vulnerability with a CVSS score of 9.8 (CRITICAL). Versions of handlebars prior to 4.3.0 are vulnerable to Prototype Pollution leading to Remote Code Execution. Templates may alter an Object's __proto__ and __defineGetter__ properties, which may allow...

How severe is CVE-2019-19919?

CVE-2019-19919 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2019-19919?

Check the references section above for vendor advisories and patch information. Affected products include: Handlebars.Js Project Handlebars.Js, Tenable Tenable.Sc.