CVE-2021-32819
Detail
Modified After Enrichment
This CVE record has been updated after NVD enrichment efforts were completed. Enrichment data supplied by the NVD may require amendment due to these changes.
Current 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.
View Analysis Description
Analysis
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. There is currently no fix for these issues as of the publication of this CVE. The latest version of squirrelly is currently 8.0.8. For complete details refer to the referenced GHSL-2021-023.
Metrics
NVD enrichment efforts reference publicly available information to associate
vector strings. CVSS information contributed by other sources is also
displayed.
CVSS 4.0 Severity and Vector Strings:
NVD assessment
not yet provided.
CVSS 3.x Severity and Vector Strings:
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N
CVSS 2.0 Severity and Vector Strings:
Vector:
(AV:N/AC:M/Au:N/C:P/I:P/A:P)
References to Advisories, Solutions, and Tools
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Change History
5 change records found show changes
CVE Modified by GitHub, Inc.
6/16/2026 11:53:41 PM
| Action |
Type |
Old Value |
New Value |
| Added |
Affected |
[{"vendor":"squirrellyjs","product":"squirrelly","versions":[{"version":"9.0.0","lessThan":"9.0.0","versionType":"custom","status":"affected"}]}]
|
CVE Modified by CVE
11/21/2024 1:07:48 AM
| Action |
Type |
Old Value |
New Value |
| Added |
Reference |
https://github.com/squirrellyjs/squirrelly/commit/c12418a026f73df645ba927fd29358efe02fed1e
|
| Added |
Reference |
https://github.com/squirrellyjs/squirrelly/commit/dca7a1e7ee91d8a6ffffb655f3f15647486db9da
|
| Added |
Reference |
https://github.com/squirrellyjs/squirrelly/pull/254
|
| Added |
Reference |
https://securitylab.github.com/advisories/GHSL-2021-023-squirrelly/
|
CVE Modified by GitHub, Inc.
5/14/2024 5:06:49 AM
| Action |
Type |
Old Value |
New Value |
CVE Modified by GitHub, Inc.
5/22/2023 3:15:09 PM
| Action |
Type |
Old Value |
New Value |
| Changed |
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. There is currently no fix for these issues as of the publication of this CVE. The latest version of squirrelly is currently 8.0.8. For complete details refer to the referenced GHSL-2021-023.
|
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.
|
| Added |
Reference |
https://github.com/squirrellyjs/squirrelly/commit/c12418a026f73df645ba927fd29358efe02fed1e [No Types Assigned]
|
| Added |
Reference |
https://github.com/squirrellyjs/squirrelly/commit/dca7a1e7ee91d8a6ffffb655f3f15647486db9da [No Types Assigned]
|
| Added |
Reference |
https://github.com/squirrellyjs/squirrelly/pull/254 [No Types Assigned]
|
| Removed |
Reference |
https://www.npmjs.com/package/squirrelly [Third Party Advisory]
|
Initial Analysis by NIST
5/20/2021 1:41:19 PM
| Action |
Type |
Old Value |
New Value |
| Added |
CVSS V3.1 |
NIST AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
|
| Added |
CVSS V2 |
NIST (AV:N/AC:M/Au:N/C:P/I:P/A:P)
|
| Added |
CWE |
NIST NVD-CWE-noinfo
|
| Added |
CPE Configuration |
OR
*cpe:2.3:a:squirrelly:squirrelly:8.0.8:*:*:*:*:*:*:*
|
| Changed |
Reference Type |
https://securitylab.github.com/advisories/GHSL-2021-023-squirrelly/ No Types Assigned
|
https://securitylab.github.com/advisories/GHSL-2021-023-squirrelly/ Exploit, Third Party Advisory
|
| Changed |
Reference Type |
https://www.npmjs.com/package/squirrelly No Types Assigned
|
https://www.npmjs.com/package/squirrelly Third Party Advisory
|
| Added |
CVSS V2 Metadata |
Victim must voluntarily interact with attack mechanism
|
Quick Info
CVE Dictionary Entry: CVE-2021-32819 NVD
Published Date: 05/14/2021 NVD
Last Modified: 06/16/2026
Source: GitHub, Inc.
|
