CVE-2019-19919
CRITICALEPSS 94th pctlDescription
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 to fix
TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works
Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.
CVSS v3 Vector
Exploitability
Impact
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploit Intelligence
High risk: more likely to be exploited than 94% of all known CVEs.
References
Related Vulnerabilities
Other CWE-1321 vulnerabilities, ordered by exploit likelihood. View all
| CVE | Severity | CVSS | EPSS | Exploited | Fix |
|---|---|---|---|---|---|
| CVE-2019-0230 | Critical | 9.8 | 97% | - | - |
| CVE-2019-11358 | Medium | 6.1 | 87% | - | Fix |
| CVE-2020-7774 | High | 7.3 | 69% | - | Fix |
| CVE-2022-24760 | Critical | 10.0 | 49% | - | Fix |
| CVE-2022-39396 | Critical | 9.8 | 39% | - | Fix |
| CVE-2022-2564 | Critical | 9.8 | 33% | - | Fix |
Common questions
How do I fix CVE-2019-19919?
Upgrade node-handlebars on debian 11 to 3:4.5.3-1 or later.
Is CVE-2019-19919 being actively exploited?
Not that we know of. CVE-2019-19919 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 7.1% is the estimated probability that it will be exploited in the next 30 days. That is higher than 94% of all scored CVEs.
How severe is CVE-2019-19919?
CVE-2019-19919 has a CVSS v3 base score of 9.8, rated critical. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.
What does CVE-2019-19919 affect?
Published advisories record a fix for node-handlebars (Debian). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.
Embed a live status badge for CVE-2019-19919
Markdown
[](https://tridentstack.com/cve/CVE-2019-19919)HTML
<a href="https://tridentstack.com/cve/CVE-2019-19919"><img src="https://tridentstack.com/cve/badge/CVE-2019-19919.svg" alt="CVE-2019-19919"></a>Find and fix vulnerabilities across your fleet
TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.
This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.