CVE-2020-36632CWE-1321

hughsk flat index.js unflatten prototype pollution

Medium · published December 25, 2022

CVSS v3.1
6.3
EPSS
1%
Percentile
67.1
In the wild
Unconfirmed
What it is

A vulnerability, which was classified as critical, was found in hughsk flat up to 5.0.0. This affects the function unflatten of the file index.js. The manipulation leads to improperly controlled modification of object prototype attributes ('prototype pollution'). It is possible to initiate the attack remotely. Upgrading to version 5.0.1 is able to address this issue. The name of the patch is 20ef0ef55dfa028caddaedbcb33efbdb04d18e13. It is recommended to upgrade the affected component. The identifier VDB-216777 was assigned to this vulnerability.

The record
Technical detail
CVSS v3.1
6.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
CVSS v4.0
Not supplied
EPSS
0.01167 · 67.1th percentile
Weakness
CWE-1321 · Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')
Published
2022-12-25T19:37Z
EPSS history
Timeline
  • 25 DEC 19:37Z
    hughsk flat index.js unflatten prototype pollution
    cvelistv5