CVE-2018-3721

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.

Affected

HackerOne · lodash node module

CVSS v3.1 NVD

6.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

CVSS v2.0 NVD

4.0 MEDIUMAV:N/AC:L/Au:S/C:N/I:P/A:N

EPSS

2.35% chance of exploitation in the next 30 days, 83rd percentile

Published

2018-06-07

Updated

2024-09-16

Proof-of-concept exploits (2)

• https://hackerone.com/reports/310443
• ossf-cve-benchmark/CVE-2018-37210★ · 2020-12-01

Security advisories

• https://security.netapp.com/advisory/ntap-20190919-0004
• advisories/GHSA-fvqr-27wr-82fm
• lodash/lodash/commit/d8e069cc3410082e44eb18fcf8e7f3d08ebe1d4a

References

• CVE Record
• NVD entry