CVE-2002-0401

Ethereal vulnerability

CVSS

7.5

EPSS

5.5%

EPSS pct

92th

Exploited

No known

SMB dissector in Ethereal 0.9.3 and earlier allows remote attackers to cause a denial of service (crash) or execute arbitrary code via malformed packets that cause Ethereal to dereference a NULL pointer.

Affected vendor

Ethereal

Affected product

Ethereal

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-476 — NULL Pointer Dereference

Published

2002-06-18

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 5.5% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 92% of all scored CVEs.

Check your external exposure to CVE-2002-0401

Confirm whether Ethereal Ethereal is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2002-0401.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2002-0401

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2002-0401 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

Run a free external exposure scan

Are you exposed to CVE-2002-0401?

Run an instant, non-intrusive external scan to check your attack surface for CVE-2002-0401.

Start free scan

No credit card. Agentless.

Related vulnerabilities

Mobilepublisherphp vulnerability

HIGH

CVE-2006-4852

Q Shop vulnerability