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.
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.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| 22294 | exploit_db | edb | 2003-03-01 | Exploit-DB ↗ |
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)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.0 | 2.0 | MEDIUM |
|
10.0 | 2.9 | [email protected] |
| 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 |