Is CVE-2019-19919 in the CISA KEV catalog?

No. CVE-2019-19919 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2019-19919?

CVE-2019-19919 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2019-19919?

CVE-2019-19919 has an EPSS score of 7.07% (93th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2019-19919?

Upgrade node-handlebars on debian 11 to 3:4.5.3-1 or later.

CVE & CISA-KEV Catalog

CVE-2019-19919

CRITICALEPSS 93th pctl

9.8

CVSS v3

NVD

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.

CWE-1321

How to fix

Remediation Available

node-handlebarsDebian

Fixed in:3:4.5.3-1CVE-2019-19919

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

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

7.07%probability of exploitation in 30 days

93rdpercentile

High risk: more likely to be exploited than 93% of all known CVEs.

References

Patch1

tenable.com

Third-Party Advisory1

npmjs.com

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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.