Home/CVE/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
CVE

CVE-2021-23358

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

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 Injection via the template function, particularly when a variable property is passed as an argument as it is not sanitized.

LOW · CVSS 3.3 EPSS 0.01452
Schedule remediation
  • Public exploit or PoC is available
Sigma rules0 YARA rules0
⬡

Weakness Classification

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

Affected Products & Versions

5
underscorejs underscore>= 1.3.2 and < 1.12.1
underscorejs underscore>= 1.13.0-0 and < 1.13.0-2
debian linuxall versions
tenable tenable.sc<= 5.18.0
fedoraproject fedoraall versions
▤

Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
npm underscore CRITICAL fixed in 1.12.1
⚠

Public Exploits & PoCs

4
pocsnyk.io · SNYK-JAVA-ORGWEBJARSBOWER-1081504snyk.io
pocsnyk.io · SNYK-JAVA-ORGWEBJARSBOWERGITHUBJASHKENAS-1081505snyk.io
pocsnyk.io · SNYK-JAVA-ORGWEBJARSNPM-1081503snyk.io
pocsnyk.io · SNYK-JS-UNDERSCORE-1080984snyk.io
▣

Scoring & Timeline

3.3
LOW · CVSS v3.1 · report@snyk.io
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD29 Mar 2021 · 02:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:N
SSVC triage · cisa-vulnrichment
Exploitation
poc
Automatable
no
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

13
rhsaRHSA-2026:2737Moderate
rhsaRHSA-2026:2769Moderate
rhsaRHSA-2026:3406Important
msrcCVE-2021-23358
suse-csafopenSUSE-SU-2024:11095-1
🔗

References & Sources

14
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/jashkenas/underscore/blob/master/modules/template.js%23L71Broken Link
https://lists.apache.org/thread.html/r5df90c46f7000c4aab246e947f62361ecfb849c5a553dcdb0ef545e1%40%3Cissues.cordova.apache.org%3E
https://lists.apache.org/thread.html/r770f910653772317b117ab4472b0a32c266ee4abbafda28b8a6f9306%40%3Cissues.cordova.apache.org%3E
https://lists.apache.org/thread.html/raae088abdfa4fbd84e1d19d7a7ffe52bf8e426b83e6599ea9a734dba%40%3Cissues.cordova.apache.org%3E
https://lists.apache.org/thread.html/rbc84926bacd377503a3f5c37b923c1931f9d343754488d94e6f08039%40%3Cissues.cordova.apache.org%3E
https://lists.apache.org/thread.html/re69ee408b3983b43e9c4a82a9a17cbbf8681bb91a4b61b46f365aeaf%40%3Cissues.cordova.apache.org%3E
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