Skip to content
Fencer Vulns
medium 5.0

CVE-1999-0445 json

In Cisco routers under some versions of IOS 12.0 running NAT, some packets may not be filtered by input access list filters.

published 1999-04-01 27 y ago modified 2026-06-16 4 mo ago also EUVD-1999-0445

cvss
5.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.1%
EPSS 1.1% chance of exploitation in 30 days, percentile 66%
public exploits
0
none known

Summary

In Cisco routers under some versions of IOS 12.0 running NAT, some packets may not be filtered by input access list filters.

Exploit prediction

1.11% chance of exploitation in the next 30 days, higher than 66% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:P/I:N/A:N

Classification

Technology feeds

References

Sources

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.