PT-2021-21717 · Immer · Immer

Published 2021-09-02 · Updated 2022-09-10 · CVE-2021-3757

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions immer (affected versions not specified)

Description The issue is related to Improperly Controlled Modification of Object Prototype Attributes, also known as 'Prototype Pollution'. This means that an attacker could potentially modify the prototype of an object, leading to unintended behavior. No information is provided about the estimated number of potentially affected devices worldwide or real-world incidents where this issue was exploited.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Prototype Pollution

Weakness Enumeration

CWE-1321

CWE-915

Related Identifiers

CVE-2021-3757

GHSA-C36V-FMGQ-M8HX

Affected Products

Immer

References · 9

• 🔥 https://huntr.dev/bounties/23d38099-71cd-42ed-a77a-71e68094adfa · Exploit
• https://github.com/immerjs/immer/commit/fa671e55ee9bd42ae08cc239102b665a23958237 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2021-3757 · Security Note
• https://osv.dev/vulnerability/GHSA-c36v-fmgq-m8hx · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-3757 · Vendor Advisory
• https://github.com/immerjs/immer · Note
• https://t.me/cvenotify/20580 · Telegram Post
• https://t.me/cvenotify/20565 · Telegram Post
• https://t.me/cibsecurity/28210 · Telegram Post