CVE-1999-0667 in the critical feed json
The ARP protocol allows any host to spoof ARP replies and poison the ARP cache to conduct IP address spoofing or a denial of service.
published 1997-09-19 29 y ago modified 2026-06-16 4 mo ago also EUVD-1999-0649
- cvss
- 10.0
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 13.6%
- EPSS 13.6% chance of exploitation in 30 days, percentile 96%
- public exploits
- 1
- Metasploit
Summary
The ARP protocol allows any host to spoof ARP replies and poison the ARP cache to conduct IP address spoofing or a denial of service.
Timeline
- Published
- First public exploit (Metasploit auxiliary/spoof/arp/arp_poisoning)
Exploit prediction
13.64% chance of exploitation in the next 30 days, higher than 96% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- Metasploit auxiliary/spoof/arp/arp_poisoning ARP Spoof metasploit auxiliary, normal rank, 1999-12-22
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 10.0 | AV:N/AC:L/Au:N/C:C/I:C/A:C |
References
Sources
- CVE List CVE-1999-0667
- NVD CVE-1999-0667
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.