CVE-2023-0210

Linux Kernel vulnerability

CVSS

7.5

EPSS

71.7%

EPSS pct

99th

Exploited

No known

A bug affects the Linux kernel’s ksmbd NTLMv2 authentication and is known to crash the OS immediately in Linux-based systems.

Affected vendor

Linux

Affected product

Linux Kernel

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness type (CWE)

CWE-122 — Heap-based Buffer Overflow
CWE-787 — Out-of-bounds Write

Published

2023-03-27

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to availability.

Its EPSS score of 71.7% reflects a high probability of exploitation activity in the wild over the next 30 days, placing it among the most exploited CVEs currently tracked.

Check your external exposure to CVE-2023-0210

Confirm whether Linux Linux Kernel is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2023-0210.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2023-0210

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