SonicWALL firmware before 6.4.0.1 allows remote attackers to cause a denial of service and possibly execute arbitrary code via crafted Internet Key Exchange (IKE) response packets, possibly including (1) a large Security Parameter Index (SPI) field, (2) a large number of payloads, or (3) a long payload.
CVE-2003-1320
NONECVSS 0.0
0.0
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
- No confirmed exploitation signals yet
CISA-KEV: Not listedEPSS: 2%CVSS: —Exploit: NoneExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- —
- EG Score
- 0.0(none)
- EPSS
- 78.5%
- KEV
- Not listed
Published
December 31, 2003
Last Modified
June 16, 2026
References (4)
- cve@mitrehttp://www.kb.cert.org/vuls/id/287771
- cve@mitrehttp://www.kb.cert.org/vuls/id/AAMN-5L74VD
- af854a3a-2127-422b-91ae-364da2661108http://www.kb.cert.org/vuls/id/287771
- af854a3a-2127-422b-91ae-364da2661108http://www.kb.cert.org/vuls/id/AAMN-5L74VD
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Frequently asked(4)
What is CVE-2003-1320?
CVE-2003-1320 is a none vulnerability published on December 31, 2003. SonicWALL firmware before 6.4.0.1 allows remote attackers to cause a denial of service and possibly execute arbitrary code via crafted Internet Key Exchange (IKE) response packets, possibly including (1) a large Security Parameter Index (SPI) field, (2) a large number of payloads, or (3) a long…
When was CVE-2003-1320 disclosed?
CVE-2003-1320 was first published in the National Vulnerability Database on December 31, 2003, with the most recent update on June 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2003-1320 actively exploited?
CVE-2003-1320 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 78.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
How do I remediate CVE-2003-1320?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2003-1320, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2003-1320
Is Your Infrastructure Affected by CVE-2003-1320?
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