CVE-1999-0453

MediumCVSS 5.0/10Last modified Jun 16, 2026

Description

An attacker can identify a CISCO device by sending a SYN packet to port 1999, which is for the Cisco Discovery Protocol (CDP).

Metrics

CVSS 2.0 5.0/10AV:N/AC:L/Au:N/C:P/I:N/A:N

Weakness enumeration

CWE-200

Affected software

No affected versions have been published.

Timeline

Published
Jan 1, 1999
Last modified
Jun 16, 2026
NVD status
Modified

Related CVEs from 1999

CVE-1999-045410.0A remote attacker can sometimes identify the operating system of a host based on how it reacts to some IP or ICMP packets, using a tool suchCVE-1999-04557.5The Expression Evaluator sample application in ColdFusion allows remote attackers to read or delete files on the server via exprcalc.cfm, whCVE-1999-04577.2Linux ftpwatch program allows local users to gain root privileges.CVE-1999-04582.1L0phtcrack 2.5 used temporary files in the system TEMP directory which could contain password information.CVE-1999-04594.6Local users can perform a denial of service in Alpha Linux, using MILO to force a reboot.CVE-1999-04602.1Buffer overflow in Linux autofs module through long directory names allows local users to perform a denial of service.CVE-1999-046110.0Versions of rpcbind including Linux, IRIX, and Wietse Venema's rpcbind allow a remote attacker to insert and delete entries by spoofing a soCVE-1999-04627.2suidperl in Linux Perl does not check the nosuid mount option on file systems, allowing local users to gain root access by placing a setuid CVE-1999-04642.1Local users can perform a denial of service in Tripwire 1.2 and earlier using long filenames.CVE-1999-046510.0Remote attackers can crash Lynx and Internet Explorer using an IMG tag with a large width parameter.CVE-1999-04667.2The SVR4 /dev/wabi special device file in NetBSD 1.3.3 and earlier allows a local user to read or write arbitrary files on the disk associatCVE-1999-04675.0The Webcom CGI Guestbook programs wguest.exe and rguest.exe allow a remote attacker to read arbitrary files using the "template" parameter.
CVE-1999-0453: Medium severity, CVSS 5.0 | Vulnix