CVE-2018-3751
CVSS v3
9.8
CRITICAL
EPSS Score
1.4 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
The utilities function in all versions <= 0.3.0 of the merge-recursive node module can be tricked into modifying the prototype of Object when the attacker can control part of the structure passed to this function. This can let an attacker add or modify existing properties that will exist on all objects.
Technical details
- Published
- 2018-07-03
Frequently asked questions
What is CVE-2018-3751?
The utilities function in all versions <= 0.3.0 of the merge-recursive node module can be tricked into modifying the prototype of Object when the attacker can control part of the structure passed to this function. This can let an attacker add or modify existing properties that will exist on all objects.
Is CVE-2018-3751 actively exploited?
Active exploitation of CVE-2018-3751 has not been confirmed. Its EPSS score was 1.4% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2018-3751?
CVE-2018-3751 has a CVSS v3 base score of 9.8 (CRITICAL severity).
Is CVE-2018-3751 affecting your environment?
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