Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2003-0039

22
FAUCET Score

CVE-2003-0039 describes a denial-of-service vulnerability in ISC dhcrelay (dhcp-relay) version 3.0rc9 and earlier, and potentially other versions of isc dhcpd. Remote attackers can trigger a packet storm by sending a specially crafted BOOTP packet that is forwarded to a broadcast MAC address, leading to an infinite loop due to the lack of a hop count restriction. This vulnerability has a CVSS score of 5.0, indicating a medium severity with low attack complexity and no authentication required, resulting in a denial of service. There is no evidence of active exploitation, nor are there known Metasploit modules, Nuclei templates, or ExploitDB entries. Despite its age, the vulnerability has garnered significant community discussion, with 10 mentions, but no media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
3.0.1CPE matchmatch criteria
cpe:2.3:a:isc:dhcpd:3.0.1:rc1:*:*:*:*:*:*
3.0.1CPE matchmatch criteria
cpe:2.3:a:isc:dhcpd:3.0.1:rc10:*:*:*:*:*:*
3.0.1CPE matchmatch criteria
cpe:2.3:a:isc:dhcpd:3.0.1:rc2:*:*:*:*:*:*
3.0.1CPE matchmatch criteria
cpe:2.3:a:isc:dhcpd:3.0.1:rc3:*:*:*:*:*:*
3.0.1CPE matchmatch criteria
cpe:2.3:a:isc:dhcpd:3.0.1:rc4:*:*:*:*:*:*

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
7.95%
Probability of exploitation in next 30 days
EPSS Percentile
94.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0795 is in the 92nd percentile among its peer group of 23,701 CVEs.

Social Chatter

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 (2)

debianpatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Linux 8.0
View patch

Vendor Advisories (1)

redhatCVE-2003-0039

security flaw

Jan 15, 2003

References

cc.turbolinux.com / security/TLSA-2003-26.txt
distro.conectiva.com.br / atualizacoes
marc.info
exchange.xforce.ibmcloud.com / vulnerabilities/11187
debian.org / security/2003/dsa-245
PatchVendor Advisory
kb.cert.org / vuls/id/149953
US Government Resource
openpkg.org / security/OpenPKG-SA-2003.012-dhcpd.html
redhat.com / support/errata/RHSA-2003-034.html
securityfocus.com / bid/6628