Cisco 6000, 6500, and 7600 series systems with Multilayer Switch Feature Card 2 (MSFC2) and a FlexWAN or OSM module allow local users to cause a denial of service (hang or reset) by sending a layer 2 frame packet that encapsulates a layer 3 packet, but has inconsistent length values with that packet.
CVE-2004-0244
NONECVSS 0.0Weaponized
0.0
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
- No confirmed exploitation signals yet
CISA-KEV: Not listedEPSS: 1%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
- 62.2%
- KEV
- Not listed
Published
November 23, 2004
Last Modified
June 16, 2026
References (12)
- cve@mitrehttp://secunia.com/advisories/10780
- cve@mitrehttp://www.cisco.com/warp/public/707/cisco-sa-20040203-cat6k.shtml
- cve@mitrehttp://www.kb.cert.org/vuls/id/810062
- cve@mitrehttp://www.securityfocus.com/bid/9562
- cve@mitrehttps://exchange.xforce.ibmcloud.com/vulnerabilities/15013
- cve@mitrehttps://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5828
- af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/10780
- af854a3a-2127-422b-91ae-364da2661108http://www.cisco.com/warp/public/707/cisco-sa-20040203-cat6k.shtml
- af854a3a-2127-422b-91ae-364da2661108http://www.kb.cert.org/vuls/id/810062
- af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/9562
- af854a3a-2127-422b-91ae-364da2661108https://exchange.xforce.ibmcloud.com/vulnerabilities/15013
- af854a3a-2127-422b-91ae-364da2661108https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5828
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Frequently asked(4)
What is CVE-2004-0244?
CVE-2004-0244 is a none vulnerability published on November 23, 2004. Cisco 6000, 6500, and 7600 series systems with Multilayer Switch Feature Card 2 (MSFC2) and a FlexWAN or OSM module allow local users to cause a denial of service (hang or reset) by sending a layer 2 frame packet that encapsulates a layer 3 packet, but has inconsistent length values with that…
When was CVE-2004-0244 disclosed?
CVE-2004-0244 was first published in the National Vulnerability Database on November 23, 2004, 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-2004-0244 actively exploited?
CVE-2004-0244 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 62.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
How do I remediate CVE-2004-0244?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2004-0244, 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-2004-0244
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