CVE-1999-0221: Medium severity Lucent Ascend Routers vulnerability
Denial of service of Ascend routers through port 150 (remote administration).
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Configuration
Disable the remote administration service listening on port 150 on affected Ascend routers (close the port / turn off remote admin) to prevent the denial-of-service vector.
Lucent Ascend Routers remote administration (port 150) = disabled - Compensating control
Block access to port 150 at network perimeter devices (firewall/ACL) and restrict management interface access to trusted IPs or management VLANs to mitigate exposure until a vendor fix is available.
Event History
Frequently Asked Questions
What is the severity of CVE-1999-0221?
CVE-1999-0221 is classified as a denial of service vulnerability affecting Ascend routers.
How do I fix CVE-1999-0221?
To fix CVE-1999-0221, it is recommended to disable remote administration on port 150 if it is not needed.
Which devices are affected by CVE-1999-0221?
CVE-1999-0221 affects Lucent Ascend Routers that allow remote administration access.
What impact does CVE-1999-0221 have on networks?
CVE-1999-0221 can lead to service interruptions, making Ascend routers unresponsive to legitimate requests.
Is there a patch available for CVE-1999-0221?
There is no specific patch for CVE-1999-0221; best practices suggest disabling the vulnerable service.