Security readout for executives and security teams
This is a denial-of-service issue in OpenBSD 3.4 and 3.5 gateways used as bridging firewalls with IPSec link2 enabled. A remote ICMP echo packet could crash the system. Business concern is availability of legacy perimeter infrastructure, not data theft or code execution based on the supplied sources. Exposure is likely limited to legacy OpenBSD 3.4 or 3.5 systems still operating as bridging firewalls with link2 IPSec enabled. Most modern environments should only be exposed if old appliances, forgotten gateways, or lab systems remain in service. Treat as a legacy infrastructure availability risk. Prioritize only if OpenBSD 3.4 or 3.5 bridging firewalls remain in production or protect important network paths. Otherwise, document as historical risk with low current business urgency. Mitigation focus: Apply the OpenBSD August 26, 2004 reliability fix if still on affected releases.; Retire or upgrade any OpenBSD 3.4 or 3.5 gateway still in production.; Remove the affected bridge/link2 IPSec configuration from untrusted paths if patching is unavailable..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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CVE-2004-0819 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
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CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- openbsd-icmp-echo-dos(17129)CVE reference · vdb-entry, x_refsource_XF
Products and packages named in the record
CWE details
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