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CVE-2002-0402

21
FAUCET Score

CVE-2002-0402 describes a buffer overflow vulnerability in the X11 dissector of Ethereal 0.9.3 and earlier, allowing remote attackers to cause a denial of service or potentially execute arbitrary code when parsing keysyms. With a CVSS score of 7.5, this vulnerability is considered highly severe due to its network-based attack vector, low access complexity, and potential for partial confidentiality, integrity, and availability impact. Despite its severity, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this older vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
0.9.1CPE matchmatch criteria
cpe:2.3:a:ethereal_group:ethereal:0.9.1:*:*:*:*:*:*:*
0.9.2CPE matchmatch criteria
cpe:2.3:a:ethereal_group:ethereal:0.9.2:*:*:*:*:*:*:*
0.9.3CPE matchmatch criteria
cpe:2.3:a:ethereal_group:ethereal:0.9.3:*:*:*:*:*:*:*
0.9_.0CPE matchmatch criteria
cpe:2.3:a:ethereal_group:ethereal:0.9_.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.5HIGH

AV:N/AC:L/Au:N/C:P/I:P/A:P

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
4.85%
Probability of exploitation in next 30 days
EPSS Percentile
91.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0485 is in the 84th percentile among its peer group of 51,506 CVEs.

Social Chatter

No social media mentions found for this CVE.

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 (7)

debianpatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux AS (Advanced Server) version 2.1
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-2002-0402Moderate

security flaw

May 19, 2002

References

ftp.caldera.com / pub/security/OpenLinux/CSSA-2002-037.0.txt
distro.conectiva.com / atualizacoes
marc.info
debian.org / security/2002/dsa-130
PatchVendor Advisory
ethereal.com / appnotes/enpa-sa-00004.html
PatchVendor AdvisoryURL Repurposed
iss.net / security_center/static/9203.php
redhat.com / support/errata/RHSA-2002-036.html
redhat.com / support/errata/RHSA-2002-088.html
redhat.com / support/errata/RHSA-2002-170.html
securityfocus.com / bid/4805