CVE-1999-0157
https://notcve.org/view.php?id=CVE-1999-0157
Cisco PIX firewall and CBAC IP fragmentation attack results in a denial of service. • http://www.osvdb.org/1097 •
CVE-1999-0159
https://notcve.org/view.php?id=CVE-1999-0159
Attackers can crash a Cisco IOS router or device, provided they can get to an interactive prompt (such as a login). This applies to some IOS 9.x, 10.x, and 11.x releases. • https://exchange.xforce.ibmcloud.com/vulnerabilities/CVE-1999-0159 •
CVE-1999-0230
https://notcve.org/view.php?id=CVE-1999-0230
Buffer overflow in Cisco 7xx routers through the telnet service. • http://www.osvdb.org/1102 •
CVE-1999-0160
https://notcve.org/view.php?id=CVE-1999-0160
Some classic Cisco IOS devices have a vulnerability in the PPP CHAP authentication to establish unauthorized PPP connections. • http://www.osvdb.org/1099 •
CVE-1999-0161
https://notcve.org/view.php?id=CVE-1999-0161
In Cisco IOS 10.3, with the tacacs-ds or tacacs keyword, an extended IP access control list could bypass filtering. • http://www.osvdb.org/797 •