PT-2021-21271 · Merge · Merge

Viking04 · Published 2021-09-10 · Updated 2022-07-29 · CVE-2021-3645

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 merge (affected versions not specified)

Description The issue is related to Improperly Controlled Modification of Object Prototype Attributes, also known as 'Prototype Pollution'. This problem allows for the modification of object prototype attributes in an uncontrolled manner.

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-2021-3645

GHSA-CQQH-49MX-FQ63

Affected Products

Merge

References · 7

• 🔥 https://huntr.dev/bounties/ef387a9e-ca3c-4c21-80e3-d34a6a896262 · Exploit
• https://github.com/viking04/merge/commit/baba40332080b38b33840d2614df6d4142dedaf6 · Patch
• https://osv.dev/vulnerability/GHSA-cqqh-49mx-fq63 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-3645 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-3645 · Security Note
• https://github.com/viking04/merge · Note
• https://t.me/cibsecurity/28658 · Telegram Post