Go to homepageCyberStrike

Menu

Star on GitHub · 3.4k
Sign inDownload

CVE-2021-32819

8.0 · HIGH

Squirrelly is a template engine implemented in JavaScript that works out of the box with ExpressJS.

Published May 14, 2021CWE-200EPSS 58.29%

Overview

CVE-2021-32819 is a high-severity vulnerability. It was published on May 14, 2021 and has a CVSS 3.1 base score of 8.0 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.0, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/squirrellyjs/squirrelly/commit/c12418a026f73df645ba927fd29358efe02fed1eGitHubgithub.com/squirrellyjs/squirrelly/commit/dca7a1e7ee91d8a6ffffb655f3f15647486db9daGitHubgithub.com/squirrellyjs/squirrelly/pull/254GitHubsecuritylab.github.com/advisories/GHSL-2021-023-squirrelly/GitHubgithub.com/squirrellyjs/squirrelly/commit/c12418a026f73df645ba927fd29358efe02fed1eGitHubgithub.com/squirrellyjs/squirrelly/commit/dca7a1e7ee91d8a6ffffb655f3f15647486db9daGitHubgithub.com/squirrellyjs/squirrelly/pull/254GitHubsecuritylab.github.com/advisories/GHSL-2021-023-squirrelly/

How CyberStrike helps

Frequently asked questions

What is CVE-2021-32819?

CVE-2021-32819 is a high-severity vulnerability. It was published on May 14, 2021 and has a CVSS 3.1 base score of 8.0 (HIGH).

How severe is CVE-2021-32819?

This vulnerability has a CVSS 3.1 base score of 8.0, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2021-32819?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2021-32819?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2021-32819 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

Related HIGH CVEs from 2021

View all
Browse by year2026202520242023202220212020201920182017201620152014201320122011201020092008200720062005200420032002200120001999
LiveWatch live →