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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

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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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