CVE-2021-23369
Remote Code Execution (RCE)
CRITICAL 9.8EPSS 7.0%
The package handlebars before 4.7.7 are vulnerable to Remote Code Execution (RCE) when selecting certain compiling options to compile templates coming from an untrusted source.
- Affected
- handlebars
- CVSS v3.1 NVD
- 9.8 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS v3.1 SNYK
- 5.6 MEDIUM
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L - CVSS v2.0 NVD
- 7.5 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P - EPSS
- 7.03% chance of exploitation in the next 30 days, 94th percentile
- Published
- 2021-04-12
- Updated
- 2026-10-08
Proof-of-concept exploits (5)
- https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARS-1074950
- https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWER-1074951
- https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1074952
- https://snyk.io/vuln/SNYK-JS-HANDLEBARS-1056767
- fazilbaig1/CVE-2021-233692★ · 2024-10-19
Security advisories
- handlebars-lang/handlebars.js/commit/b6d3de7123eebba603e321f04afdbae608e8fea8
- https://security.netapp.com/advisory/ntap-20210604-0008
- advisories/GHSA-f2jv-r9rf-7988