CVE-2018-3721
MEDIUMEPSS 83th pctlDescription
lodash node module before 4.17.5 suffers from a Modification of Assumed-Immutable Data (MAID) vulnerability via defaultsDeep, merge, and mergeWith functions, which allows a malicious user to modify the prototype of "Object" via __proto__, causing the addition or modification of an existing property that will exist on all objects.
How to fix
TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works
Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.
CVSS v3 Vector
Exploitability
Impact
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Exploit Intelligence
Elevated risk: more likely to be exploited than 83% of all known CVEs.
References
Related Vulnerabilities
Other CWE-471 vulnerabilities, ordered by exploit likelihood. View all
| CVE | Severity | CVSS | EPSS | Exploited | Fix |
|---|---|---|---|---|---|
| CVE-2022-21824 | High | 8.2 | 22% | - | Fix |
| CVE-2018-3728 | High | 8.8 | 4.2% | - | Fix |
| CVE-2020-8147 | Critical | 9.8 | 3.1% | - | - |
| CVE-2020-8116 | High | 7.3 | 3.1% | - | Fix |
| CVE-2018-3719 | High | 8.8 | 2.1% | - | Fix |
| CVE-2020-8158 | Critical | 9.8 | 2.1% | - | Fix |
Common questions
How do I fix CVE-2018-3721?
Upgrade node-lodash on debian 11 to 4.17.11+dfsg-1 or later.
Is CVE-2018-3721 being actively exploited?
Not that we know of. CVE-2018-3721 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 2.4% is the estimated probability that it will be exploited in the next 30 days. That is higher than 83% of all scored CVEs.
How severe is CVE-2018-3721?
CVE-2018-3721 has a CVSS v3 base score of 6.5, rated medium. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.
What does CVE-2018-3721 affect?
Published advisories record a fix for node-lodash (Debian). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.
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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.