Security readout for executives and security teams
A vulnerable ISC DHCP server can be made to exit when it receives a client request containing a zero-length client ID. For a business, the main risk is network disruption: affected DHCP services may stop handing out addresses until restored. Exposure is most likely where legacy ISC DHCP 4.0 or 4.1 servers remain deployed. Systems already upgraded to 4.0.2-P1, 4.1.1-P1, or later are not identified as affected in the provided sources. Treat as a targeted availability risk for legacy DHCP infrastructure. Prioritize if DHCP outages would disrupt branch, campus, or data-center connectivity, especially where old Linux distributions or manually installed ISC DHCP builds remain in service. Mitigation focus: Upgrade ISC DHCP 4.1 deployments to 4.1.1-P1 or later.; Upgrade ISC DHCP 4.0 deployments to 4.0.2-P1 or later.; Apply distribution security updates from relevant vendors..
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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CVE-2010-2156 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
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- 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
- dhcp-zero-length-dos(59222)CVE reference · vdb-entry, x_refsource_XF
Products and packages named in the record
CWE details
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