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CVE-2002-0401

26
FAUCET Score

CVE-2002-0401 describes a denial-of-service or arbitrary code execution vulnerability in the SMB dissector of Ethereal 0.9.3 and earlier, affecting Debian Linux distributions. This high-severity flaw (CVSS 7.5) allows remote, unauthenticated attackers to crash the application or execute code by sending specially crafted, malformed packets that cause a NULL pointer dereference. While there is no known active exploitation or publicly available exploit code in Metasploit or ExploitDB, the vulnerability has garnered significant community discussion, indicating awareness and potential interest.

Impacted Technologies

VendorProductVersion(s)CPE
<= 0.9.3CPE matchmatch criteria
cpe:2.3:a:ethereal:ethereal:*:*:*:*:*:*:*:*
2.2CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:2.2:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
5.51%
Probability of exploitation in next 30 days
EPSS Percentile
92.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0551 is in the 86th percentile among its peer group of 51,455 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (6)

debianpatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Linux 7.2
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Linux 7.3
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Powertools 6.2
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Powertools 7.0
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Powertools 7.1
View patch

Vendor Advisories (1)

redhatCVE-2002-0401

security flaw

May 19, 2002

References

ftp.caldera.com / pub/security/OpenLinux/CSSA-2002-037.0.txt
Broken Link
distro.conectiva.com / atualizacoes
Broken Link
marc.info
Mailing List
debian.org / security/2002/dsa-130
PatchThird Party Advisory
ethereal.com / appnotes/enpa-sa-00004.html
Broken LinkPatchVendor Advisory
iss.net / security_center/static/9204.php
Broken Link
redhat.com / support/errata/RHSA-2002-036.html
Broken Link
redhat.com / support/errata/RHSA-2002-088.html
Broken Link
securityfocus.com / bid/4806
Broken LinkThird Party AdvisoryVDB Entry