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CVE-2003-0093

20
FAUCET Score

CVE-2003-0093 describes a denial-of-service vulnerability in tcpdump versions 3.6.2 and earlier, specifically within its RADIUS decoder. An attacker can crash tcpdump by sending a malformed RADIUS packet with a header length of zero, leading to an infinite loop. This vulnerability has a CVSS score of 5.0, indicating a medium severity, and can be exploited remotely with low attack complexity, resulting in availability impact. There is no evidence of active exploitation, nor are there publicly available exploit modules in Metasploit or Nuclei, though it has garnered a moderate level of community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
3.4CPE matchmatch criteria
cpe:2.3:a:lbl:tcpdump:3.4:*:*:*:*:*:*:*
3.4a6CPE matchmatch criteria
cpe:2.3:a:lbl:tcpdump:3.4a6:*:*:*:*:*:*:*
3.5CPE matchmatch criteria
cpe:2.3:a:lbl:tcpdump:3.5:*:*:*:*:*:*:*
3.5.2CPE matchmatch criteria
cpe:2.3:a:lbl:tcpdump:3.5.2:*:*:*:*:*:*:*
3.6.2CPE matchmatch criteria
cpe:2.3:a:lbl:tcpdump:3.6.2:*:*:*:*:*:*:*

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
1.97%
Probability of exploitation in next 30 days
EPSS Percentile
78.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0197 is in the 66th percentile among its peer group of 23,703 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 (7)

redhatpatch availablevia redhat_api
Product: Red Hat Linux 7.2
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 7.1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Linux Advanced Workstation 2.1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Linux 7.3
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Linux 8.0
View patch
redhatvendor investigatingvia nvd_reference
View patch

Vendor Advisories (1)

redhatCVE-2003-0093

security flaw

Jan 10, 2003

References

bugzilla.redhat.com / bugzilla/show_bug.cgi
ExploitVendor Advisory
exchange.xforce.ibmcloud.com / vulnerabilities/11324
debian.org / security/2003/dsa-261
mandrakesoft.com / security/advisories
redhat.com / support/errata/RHSA-2003-032.html
redhat.com / support/errata/RHSA-2003-033.html
redhat.com / support/errata/RHSA-2003-214.html