Prototype Pollution in Automattic Automattic/mongoose

CVE-2022-2564

Prototype Pollution in GitHub repository automattic/mongoose prior to 6.4.6.

Vulnerability class: Prototype Pollution

Published · last modified .

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.327 (98.3th percentile), scored .

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 98th percentile — 98.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2022-2564: held from 0.327 to 0.327.

EPSS over last 30 days · oldest: 0.327 · newest: 0.327 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2022-2564?
CVE-2022-2564 is a critical-severity vulnerability in Automattic Automattic/mongoose, classified under Improperly Controlled Modification of Object Prototype Attributes (Prototype Pollution). CVSS score: 9.8/10. Published 2022-07-28.
How severe is CVE-2022-2564?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2022-2564 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.