CVE-2003-0108

Exp

isakmp_sub_print in tcpdump 3.6 through 3.7.1 allows remote attackers to cause a denial of service (CPU consumption) via a certain malformed ISAKMP packet to UDP port 500, which causes tcpdump to enter an infinite loop.

Published: 2003-03-07 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2003-0108 is rated High Exploit Risk (64.8/100): CVSS Medium severity, with high exploitation likelihood (EPSS 17.04%, 94th percentile). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2003-0108

EDB-ID Source Kind Published Link
22294 exploit_db edb 2003-03-01 Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2003-0108

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-03-30 20.33% 17.04% -3.28%
2 2025-03-29 17.04% 20.33% +3.28%
3 2025-03-17 17.04%

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2003-0108

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
10.0 2.9 [email protected]

Weakness enumeration for CVE-2003-0108

OS Trackers for CVE-2003-0108

vendor priority summary link
debian not yet assigned CVE-2003-0108 not yet assigned priority: Debian including 1 source packages (tcpdump), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2003-0108
redhat low https://access.redhat.com/security/cve/CVE-2003-0108
ubuntu medium CVE-2003-0108 medium priority: Ubuntu including 1 source packages (tcpdump), 4 status rows across 4 suites (dapper, edgy, feisty, upstream): released 3, needs-triage 1. https://ubuntu.com/security/CVE-2003-0108

Affected software / configurations for CVE-2003-0108

Vendor Product Version Raw CPE
lbl tcpdump 3.5.2 cpe:2.3:a:lbl:tcpdump:3.5.2:*:*:*:*:*:*:*
lbl tcpdump 3.6.2 cpe:2.3:a:lbl:tcpdump:3.6.2:*:*:*:*:*:*:*
lbl tcpdump 3.7 cpe:2.3:a:lbl:tcpdump:3.7:*:*:*:*:*:*:*
lbl tcpdump 3.7.1 cpe:2.3:a:lbl:tcpdump:3.7.1:*:*:*:*:*:*:*

References for CVE-2003-0108

cvelogic Threat Intelligence