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CVE-2002-0400

19
FAUCET Score

CVE-2002-0400 describes a denial-of-service vulnerability in ISC BIND 9, specifically versions prior to 9.2.1. A remote attacker can exploit this by sending a malformed DNS packet, causing the BIND service to shut down. This vulnerability has a CVSS score of 5.0, indicating a medium severity, with low attack complexity and no authentication required, leading to a partial availability impact. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
9.0CPE matchmatch criteria
cpe:2.3:a:isc:bind:9.0:*:*:*:*:*:*:*
9.1CPE matchmatch criteria
cpe:2.3:a:isc:bind:9.1:*:*:*:*:*:*:*
9.1.1CPE matchmatch criteria
cpe:2.3:a:isc:bind:9.1.1:*:*:*:*:*:*:*
9.1.2CPE matchmatch criteria
cpe:2.3:a:isc:bind:9.1.2:*:*:*:*:*:*:*
9.1.3CPE matchmatch criteria
cpe:2.3:a:isc:bind:9.1.3:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

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

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
14.22%
Probability of exploitation in next 30 days
EPSS Percentile
96.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.1422 is in the 96th percentile among its peer group of 23,705 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, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

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

Remediation

Patch Available

Vendor Patches (4)

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 7.1
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

Vendor Advisories (1)

redhatCVE-2002-0400Important

security flaw

Jun 4, 2002

References

ftp.caldera.com / pub/updates/OpenUNIX/CSSA-2002-SCO.24.1/CSSA-2002-SCO.24.1.txt
archives.neohapsis.com / archives/hp/2002-q3/0022.html
distro.conectiva.com.br / atualizacoes
frontal2.mandriva.com / security/advisories
cert.org / advisories/CA-2002-15.html
PatchThird Party AdvisoryUS Government Resource
isc.org / index.pl
iss.net / security_center/static/9250.php
Vendor Advisory
kb.cert.org / vuls/id/739123
PatchThird Party AdvisoryUS Government Resource
novell.com / linux/security/advisories/2002_21_bind9.html
redhat.com / support/errata/RHSA-2002-105.html
redhat.com / support/errata/RHSA-2002-119.html
redhat.com / support/errata/RHSA-2003-154.html
securityfocus.com / bid/4936