CVSS: 9.8EPSS: 1%CPEs: 7EXPL: 0CVE-1999-0160
https://notcve.org/view.php?id=CVE-1999-0160
01 Oct 1997 — Some classic Cisco IOS devices have a vulnerability in the PPP CHAP authentication to establish unauthorized PPP connections. • http://www.osvdb.org/1099 •
CVSS: 9.1EPSS: 0%CPEs: 4EXPL: 0CVE-1999-1466
https://notcve.org/view.php?id=CVE-1999-1466
10 Dec 1992 — Vulnerability in Cisco routers versions 8.2 through 9.1 allows remote attackers to bypass access control lists when extended IP access lists are used on certain interfaces, the IP route cache is enabled, and the access list uses the "established" keyword. • http://www.cert.org/advisories/CA-1992-20.html •
CVSS: 9.1EPSS: 0%CPEs: 1EXPL: 0CVE-1999-1306
https://notcve.org/view.php?id=CVE-1999-1306
10 Dec 1992 — Cisco IOS 9.1 and earlier does not properly handle extended IP access lists when the IP route cache is enabled and the "established" keyword is set, which could allow attackers to bypass filters. • http://www.cert.org/advisories/CA-1992-20.html •