What is CVE-2022-46164?

CVE-2022-46164 is a critical-severity vulnerability in Nodebb, classified under Improper Initialization. CVSS score: 9.4/10. Published 2022-12-05.

How severe is CVE-2022-46164?

Critical severity. CVSS v3 base score is 9.4 out of 10.

Is CVE-2022-46164 known to be exploited?

7 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Nodebb

CVE-2022-46164

NodeBB is an open source Node.js based forum software. Due to a plain object with a prototype being used in socket.io message handling a specially crafted payload can be used to impersonate other users and takeover accounts. This vulnerability has been patched in version 2.6.1. Users are advised to upgrade. Users unable to upgrade may cherry-pick commit `48d143921753914da45926cca6370a92ed0c46b8` into their codebase to patch the exploit.

Vulnerability class: Dirty Pipe (CVE-2022-0847)

EPSS: 0.490 (98.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.4 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L.

Affected products

Nodebb — versions < 2.6.1

Weakness classification (CWE)

CWE-665 — Improper Initialization

Public proof-of-concept exploits

References

security-advisories@github.com (x_refsource_CONFIRM, Patch, Third Party Advisory)
security-advisories@github.com (Patch, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2022-46164?: CVE-2022-46164 is a critical-severity vulnerability in Nodebb, classified under Improper Initialization. CVSS score: 9.4/10. Published 2022-12-05.
How severe is CVE-2022-46164?: Critical severity. CVSS v3 base score is 9.4 out of 10.
Is CVE-2022-46164 known to be exploited?: 7 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.