PUBLISHED DATE: November 4, 1999CVE-1999-0843:
Denial of Service Vulnerability

Description

Denial of service in Cisco routers running NAT via a PORT command from an FTP client to a Telnet port.

Products

• Cisco Router

Questions to Ask Vendors

1. Can you confirm whether your systems are affected by CVE-1999-0843, and if so, what steps are you currently taking to mitigate this vulnerability?
2. What is your estimated timeline for fully resolving CVE-1999-0843 in your products or services, and how will you communicate updates on this issue to us as your customer?

Recommended Actions

• Check out the advisory links provided below.

References

• https://nvd.nist.gov/vuln/detail/CVE-1999-0843