CVE-2020-35149
MEDIUMCVSS 5.3/10EPSS 1.03%
Last modified
CVE-2020-35149 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. lib/utils.js in mquery before 3.2.3 allows a pollution attack because a special property (e.g., __proto__) can be copied during a merge or clone operation.. EPSS estimates a 1.03% chance of exploitation in the next 30 days.
Description
lib/utils.js in mquery before 3.2.3 allows a pollution attack because a special property (e.g., __proto__) can be copied during a merge or clone operation.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Mquery Project | Mquery | < 3.2.3 |
References
- https://github.com/aheckmann/mquery/commit/792e69fd0a7281a0300be5cade5a6d7c1d468ad4Patch, Third Party Advisory
- https://github.com/aheckmann/mquery/commit/792e69fd0a7281a0300be5cade5a6d7c1d468ad4Patch, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-35149?
lib/utils.js in mquery before 3.2.3 allows a pollution attack because a special property (e.g., __proto__) can be copied during a merge or clone operation.
How severe is CVE-2020-35149?
CVE-2020-35149 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 1.03% probability of exploitation in the next 30 days.
How do I fix CVE-2020-35149?
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.
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Are you affected by CVE-2020-35149?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST