Security readout for executives and security teams
A very old flaw lets an attacker on the same network trick a computer into sending its internet traffic through the attacker's machine. This happens on systems that use DHCP together with an older router-discovery feature. The impact is a potential man-in-the-middle position, but only for adjacent attackers on legacy configurations. Modern environments are unlikely to be affected. Exposure is limited to legacy hosts still running IRDP-enabled DHCP clients on shared broadcast segments. IRDP has been disabled by default on Windows and most Unix stacks for many years, and the referenced Microsoft KB targets Windows 95/98-era systems. Sources do not name currently supported affected products. Low priority for modern environments. Track only if the organization still operates legacy Windows 9x-era systems or embedded devices with IRDP enabled. No emergency action required based on cited sources, but include in routine legacy-system decommissioning plans. Mitigation focus: Disable IRDP on any host or embedded device where it remains enabled by default.; Confirm current DHCP client stacks are patched and follow vendor guidance (see Microsoft KB Q216141 for legacy Windows).; Segment untrusted users off management and server VLANs to limit adjacent-network attacks..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
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CVE-1999-0875 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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Source materials
- CVE List V5 sourceCVE List V5
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