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  5. CVE-2021-23358

CVE-2021-23358: Arbitrary Code Execution in underscore

May 6, 2021 (updated November 4, 2025)

The package underscore from 1.13.0-0 and before 1.13.0-2, from 1.3.2 and before 1.12.1 are vulnerable to Arbitrary Code Execution via the template function, particularly when a variable property is passed as an argument as it is not sanitized.

References

  • github.com/advisories/GHSA-cf4h-3jhx-xvhq
  • github.com/jashkenas/underscore
  • github.com/jashkenas/underscore/blob/master/modules/template.js%23L71
  • github.com/jashkenas/underscore/commit/4c73526d43838ad6ab43a6134728776632adeb66
  • github.com/jashkenas/underscore/pull/2917
  • github.com/jashkenas/underscore/releases/tag/1.12.1
  • lists.apache.org/thread.html/r5df90c46f7000c4aab246e947f62361ecfb849c5a553dcdb0ef545e1%40%3Cissues.cordova.apache.org%3E
  • lists.apache.org/thread.html/r5df90c46f7000c4aab246e947f62361ecfb849c5a553dcdb0ef545e1@%3Cissues.cordova.apache.org%3E
  • lists.apache.org/thread.html/r770f910653772317b117ab4472b0a32c266ee4abbafda28b8a6f9306%40%3Cissues.cordova.apache.org%3E
  • lists.apache.org/thread.html/r770f910653772317b117ab4472b0a32c266ee4abbafda28b8a6f9306@%3Cissues.cordova.apache.org%3E
  • lists.apache.org/thread.html/raae088abdfa4fbd84e1d19d7a7ffe52bf8e426b83e6599ea9a734dba%40%3Cissues.cordova.apache.org%3E
  • lists.apache.org/thread.html/raae088abdfa4fbd84e1d19d7a7ffe52bf8e426b83e6599ea9a734dba@%3Cissues.cordova.apache.org%3E
  • lists.apache.org/thread.html/rbc84926bacd377503a3f5c37b923c1931f9d343754488d94e6f08039%40%3Cissues.cordova.apache.org%3E
  • lists.apache.org/thread.html/rbc84926bacd377503a3f5c37b923c1931f9d343754488d94e6f08039@%3Cissues.cordova.apache.org%3E
  • lists.apache.org/thread.html/re69ee408b3983b43e9c4a82a9a17cbbf8681bb91a4b61b46f365aeaf%40%3Cissues.cordova.apache.org%3E
  • lists.apache.org/thread.html/re69ee408b3983b43e9c4a82a9a17cbbf8681bb91a4b61b46f365aeaf@%3Cissues.cordova.apache.org%3E
  • lists.debian.org/debian-lts-announce/2021/03/msg00038.html
  • lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EOKATXXETD2PF3OR36Q5PD2VSVAR6J5Z
  • lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FGEE7U4Z655A2MK5EW4UQQZ7B64XJWBV
  • lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/EOKATXXETD2PF3OR36Q5PD2VSVAR6J5Z
  • lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FGEE7U4Z655A2MK5EW4UQQZ7B64XJWBV
  • nvd.nist.gov/vuln/detail/CVE-2021-23358
  • security.netapp.com/advisory/ntap-20240808-0003
  • security.netapp.com/advisory/ntap-20241108-0002
  • snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWER-1081504
  • snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWERGITHUBJASHKENAS-1081505
  • snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1081503
  • snyk.io/vuln/SNYK-JS-UNDERSCORE-1080984
  • www.debian.org/security/2021/dsa-4883
  • www.npmjs.com/package/underscore
  • www.tenable.com/security/tns-2021-14

Code Behaviors & Features

Detect and mitigate CVE-2021-23358 with GitLab Dependency Scanning

Secure your software supply chain by verifying that all open source dependencies used in your projects contain no disclosed vulnerabilities. Dependency Scanning using SBOM also detects vulnerabilities from proprietary advisories that this site does not include. Learn more about Dependency Scanning using SBOM →

Affected versions

All versions starting from 1.3.2 before 1.12.1

Fixed versions

  • 1.12.1

Solution

Upgrade to version 1.12.1 or above.

Impact 3.3 LOW

CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:N

Learn more about CVSS

Weakness

  • CWE-94: Improper Control of Generation of Code ('Code Injection')

Source file

npm/underscore/CVE-2021-23358.yml

Spotted a mistake? Edit the file on GitLab.

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