VulnerabilityModified
CVE-2019-19919
Versions of handlebars prior to 4.3.0 are vulnerable to Prototype Pollution leading to Remote Code Execution.
CRITICAL 9.8EPSS 7.07%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (7.07%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 7.07% probability · 94th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-1321
- Affected
- handlebars.js project/handlebars.js · tenable/tenable.sc
- Source
- cve@mitre.org
References
- https://www.npmjs.com/advisories/1164Third Party Advisory
- https://www.tenable.com/security/tns-2021-14Patch, Third Party Advisory
- https://www.npmjs.com/advisories/1164Third Party Advisory
- https://www.tenable.com/security/tns-2021-14Patch, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.