CVE-2021-42139: deno deno_standard_modules Code Injection
CVSS: 9.8v3.1CriticalModified
Published 11-10-2021Last modified 04-08-2024
Vulnerability summary
CVE-2021-42139 is a critical (CVSS 9.8) Code Injection vulnerability in deno deno_standard_modules. EPSS estimates a 2.07% chance of exploitation in the next 30 days, higher than 81.1% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
9.8/10
010
Critical · v3.1 (NVD)EPSS score
2.07%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github
Timeline
- 11-10-2021PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
Deno Standard Modules before 0.107.0 allows Code Injection via an untrusted YAML file in certain configurations.
CVSS metrics
2 scores · 1 source · 2 versionsCritical 9.8Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesSingle source
Medium 6.8Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
2.07%
Chance of exploitation in the next 30 days
Percentile
81%
Versus all other CVEs
30-day change
0.00 pp
From 2.07% on 20-09-2026
20-09-202620-10-2026
EPSS score2.07%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundDeno Std
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Deno1 product
- deno_standard_modules< 0.107.0
1 vendor · 1 product