Information disclosure in Squirrelly
CVE-2021-32819
Squirrelly is a template engine implemented in JavaScript that works out of the box with ExpressJS. Squirrelly mixes pure template data with engine configuration options through the Express render API. By overwriting internal configuration options remote code execution may be triggered in downstream applications. This issue is fixed in version 9.0.0. For complete details refer to the referenced GHSL-2021-023.
Vulnerability class: Information Disclosure
EPSS: 0.598 (99.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.0 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N.
Affected products
- Squirrelly — versions 8.0.8
- Squirrellyjs Squirrelly — versions 9.0.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security-advisories@github.com (Exploit, Third Party Advisory)
- security-advisories@github.com
- security-advisories@github.com
- security-advisories@github.com
Frequently asked questions
- What is CVE-2021-32819?
- CVE-2021-32819 is a high-severity vulnerability in Squirrelly, classified under Information Disclosure. CVSS score: 8.0/10. Published 2021-05-14.
- How severe is CVE-2021-32819?
- High severity. CVSS v3 base score is 8.0 out of 10.
- Is CVE-2021-32819 known to be exploited?
- 14 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.