CVE-2021-42139
CRITICALCVSS 9.8/10EPSS 2.00%
Last modified
CVE-2021-42139 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Deno Standard Modules before 0.107.0 allows Code Injection via an untrusted YAML file in certain configurations.. EPSS estimates a 2.00% chance of exploitation in the next 30 days.
Description
Deno Standard Modules before 0.107.0 allows Code Injection via an untrusted YAML file in certain configurations.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Deno | Deno Standard Modules | < 0.107.0 |
References
- https://github.com/denoland/deno_std/pull/1275Exploit, Third Party Advisory
- https://github.com/denoland/deno_std/releases/tag/0.107.0Release Notes, Third Party Advisory
- https://vuln.ryotak.me/advisories/58Third Party Advisory
- https://github.com/denoland/deno_std/pull/1275Exploit, Third Party Advisory
- https://github.com/denoland/deno_std/releases/tag/0.107.0Release Notes, Third Party Advisory
- https://vuln.ryotak.me/advisories/58Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-42139?
Deno Standard Modules before 0.107.0 allows Code Injection via an untrusted YAML file in certain configurations.
How severe is CVE-2021-42139?
CVE-2021-42139 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 2.00% probability of exploitation in the next 30 days.
How do I fix CVE-2021-42139?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2021
- CVE-2021-42133An exposed dangerous function vulnerability exists in Ivanti…8.1
- CVE-2021-42134The Unicorn framework before 0.36.1 for Django allows XSS vi…6.1
- CVE-2021-42135HashiCorp Vault and Vault Enterprise 1.8.x through 1.8.4 may…8.1
- CVE-2021-42136A stored Cross-Site Scripting (XSS) vulnerability in the Mis…9
- CVE-2021-42137An issue was discovered in Zammad before 5.0.1. In some case…5.3
- CVE-2021-42138A user of a machine protected by SafeNet Agent for Windows L…6.5
- CVE-2021-4214A heap overflow flaw was found in libpngs' pngimage.c progra…5.5
- CVE-2021-42141An issue was discovered in Contiki-NG tinyDTLS through 2018-…9.8
- CVE-2021-42142An issue was discovered in Contiki-NG tinyDTLS through maste…9.8
- CVE-2021-42143An issue was discovered in Contiki-NG tinyDTLS through maste…9.1
- CVE-2021-42144Buffer over-read vulnerability in Contiki-NG tinyDTLS throug…9.8
- CVE-2021-42145An assertion failure discovered in in check_certificate_requ…7.5
Are you affected by CVE-2021-42139?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST