CVE-2021-4435
HIGHCVSS 7.8/10EPSS 0.30%
Last modified
CVE-2021-4435 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. An untrusted search path vulnerability was found in Yarn. When a victim runs certain Yarn commands in a directory with attacker-controlled content, malicious commands could be executed in unexpected ways.. EPSS estimates a 0.30% chance of exploitation in the next 30 days.
Description
An untrusted search path vulnerability was found in Yarn. When a victim runs certain Yarn commands in a directory with attacker-controlled content, malicious commands could be executed in unexpected ways.
Metrics
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Yarnpkg | Yarn | < 1.22.13 |
References
- https://access.redhat.com/security/cve/CVE-2021-4435Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2262284Issue Tracking
- https://access.redhat.com/security/cve/CVE-2021-4435Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2262284Issue Tracking
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-4435?
An untrusted search path vulnerability was found in Yarn. When a victim runs certain Yarn commands in a directory with attacker-controlled content, malicious commands could be executed in unexpected ways.
How severe is CVE-2021-4435?
CVE-2021-4435 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.30% probability of exploitation in the next 30 days.
How do I fix CVE-2021-4435?
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-2021-44342David Brackeen ok-file-formats 203defd is vulnerable to Buff…7.8
- CVE-2021-44343David Brackeen ok-file-formats 203defd is vulnerable to Buff…7.8
- CVE-2021-44345Beijing Wisdom Vision Technology Industry Co., Ltd One Card …7.5
- CVE-2021-44347SQL Injection vulnerability exists in TuziCMS v2.0.6 in App\…9.8
- CVE-2021-44348SQL Injection vulnerability exists in TuziCMS v2.0.6 via the…9.8
- CVE-2021-44349SQL Injection vulnerability exists in TuziCMS v2.0.6 via the…9.8
- CVE-2021-44350SQL Injection vulnerability exists in ThinkPHP5 5.0.x <=5.1.…9.8
- CVE-2021-44351An arbitrary file read vulnerability exists in NavigateCMS 2…7.5
- CVE-2021-44352A Stack-based Buffer Overflow vulnerability exists in the Te…9.8
- CVE-2021-44354Multiple denial of service vulnerabilities exist in the cgis…7.5
- CVE-2021-44355Multiple denial of service vulnerabilities exist in the cgis…7.5
- CVE-2021-44356Multiple denial of service vulnerabilities exist in the cgis…7.5
Are you affected by CVE-2021-4435?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST