CVE-2019-19919

CRITICALCVSS 9.8/10EPSS 7.07%

Last modified

CVE-2019-19919 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. EPSS estimates a 7.07% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability
7.07%

93.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
Handlebars.Js ProjectHandlebars.Js1.0.6
Handlebars.Js ProjectHandlebars.Js1.0.7
Handlebars.Js ProjectHandlebars.Js1.0.8
Handlebars.Js ProjectHandlebars.Js1.0.9
Handlebars.Js ProjectHandlebars.Js1.0.10
Handlebars.Js ProjectHandlebars.Js1.0.11
Handlebars.Js ProjectHandlebars.Js1.0.12
Handlebars.Js ProjectHandlebars.Js1.1.0
Handlebars.Js ProjectHandlebars.Js1.1.1
Handlebars.Js ProjectHandlebars.Js1.1.2
Handlebars.Js ProjectHandlebars.Js1.2.0
Handlebars.Js ProjectHandlebars.Js1.2.1
Handlebars.Js ProjectHandlebars.Js1.3.0
Handlebars.Js ProjectHandlebars.Js2.0.0
Handlebars.Js ProjectHandlebars.Js3.0.0
Handlebars.Js ProjectHandlebars.Js3.0.1
Handlebars.Js ProjectHandlebars.Js3.0.2
Handlebars.Js ProjectHandlebars.Js3.0.3
Handlebars.Js ProjectHandlebars.Js3.0.4
Handlebars.Js ProjectHandlebars.Js3.0.5
Handlebars.Js ProjectHandlebars.Js3.0.6
Handlebars.Js ProjectHandlebars.Js3.0.7
Handlebars.Js ProjectHandlebars.Js4.0.0
Handlebars.Js ProjectHandlebars.Js4.0.1
Handlebars.Js ProjectHandlebars.Js4.0.2
Handlebars.Js ProjectHandlebars.Js4.0.3
Handlebars.Js ProjectHandlebars.Js4.0.4
Handlebars.Js ProjectHandlebars.Js4.0.5
Handlebars.Js ProjectHandlebars.Js4.0.6
Handlebars.Js ProjectHandlebars.Js4.0.7
Handlebars.Js ProjectHandlebars.Js4.0.8
Handlebars.Js ProjectHandlebars.Js4.0.9
Handlebars.Js ProjectHandlebars.Js4.0.10
Handlebars.Js ProjectHandlebars.Js4.0.11
Handlebars.Js ProjectHandlebars.Js4.0.12
Handlebars.Js ProjectHandlebars.Js4.0.13
Handlebars.Js ProjectHandlebars.Js4.0.14
Handlebars.Js ProjectHandlebars.Js4.1.0
Handlebars.Js ProjectHandlebars.Js4.1.1
Handlebars.Js ProjectHandlebars.Js4.1.2
Handlebars.Js ProjectHandlebars.Js4.2.0
Handlebars.Js ProjectHandlebars.Js4.2.1
Handlebars.Js ProjectHandlebars.Js4.2.2
TenableTenable.Sc< 5.19.0

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is 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 an attacker to execute arbitrary code through crafted payloads.
How severe is CVE-2019-19919?
CVE-2019-19919 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 7.07% probability of exploitation in the next 30 days.
How do I fix CVE-2019-19919?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-19919?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST