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CVE-2003-1029

26
FAUCET Score

CVE-2003-1029 describes a denial-of-service vulnerability in tcpdump versions 3.8.1 and earlier, specifically within its L2TP protocol parser. An attacker can exploit this by sending a specially crafted L2TP packet with invalid data to UDP port 1701, leading to an infinite loop and memory exhaustion. This vulnerability has a CVSS score of 5.0, indicating a medium severity, and can be exploited remotely with low complexity and no authentication, resulting in a denial of service. While not actively exploited in the wild or on the CISA KEV catalog, public exploit code exists, and it has a high FAUCET Risk Score of 93/100, despite minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
3.4CPE matchmatch criteria
cpe:2.3:a:lbl:tcpdump:3.4:*:*:*:*:*:*:*
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:*:*:*:*:*:*:*
3.6.3CPE matchmatch criteria
cpe:2.3:a:lbl:tcpdump:3.6.3:*:*:*:*:*:*:*

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
9.92%
Probability of exploitation in next 30 days
EPSS Percentile
95.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
ExploitDB: EDB-23452 · Dec 20, 2003
This CVE's current EPSS score of 0.0992 is in the 94th percentile among its peer group of 23,701 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 (1)

debianpatch availablevia nvd_reference
View patch

References

lwn.net / Alerts/66805
marc.info
marc.info
marc.info
secunia.com / advisories/10636
secunia.com / advisories/10652
secunia.com / advisories/10668
secunia.com / advisories/10718
debian.org / security/2004/dsa-425
PatchVendor Advisory
mandriva.com / security/advisories
securityfocus.com / archive/1/350238/30/21640/threaded
securitytracker.com / id