CVE-2021-3757

Prototype Pollution in immerjs/immer

immer is vulnerable to Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')

Affected

immerjs · immerjs/immer

CVSS v3.1 NVD

9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v3.0 HUNTR

7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v2.0 NVD

7.5 HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P

EPSS

1.65% chance of exploitation in the next 30 days, 76th percentile

Published

2021-09-02

Updated

2024-08-03

Proof-of-concept exploits (1)

• https://huntr.dev/bounties/23d38099-71cd-42ed-a77a-71e68094adfa

Security advisories

• immerjs/immer/commit/fa671e55ee9bd42ae08cc239102b665a23958237
• advisories/GHSA-c36v-fmgq-m8hx

References

• CVE Record
• NVD entry