CVE-2001-0566 Denial of service in n/a

Medium 5.0 Published Updated

Remote attackers can cause denial of service on Cisco Catalyst 2900XL switches by sending empty UDP packets to port 161 when SNMP is disabled.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2001-0566?

CVE-2001-0566 is a medium-severity denial of service vulnerability in n/a, published on 27 Jul 2001. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Cisco Catalyst 2900XL switch allows a remote attacker to create a denial of service via an empty UDP packet sent to port 161 (SNMP) when SNMP is disabled.

Weakness: CWE-20

Which versions are affected by CVE-2001-0566?

It affects 1 product.

Products include Cisco Catalyst 2900.

How do I fix CVE-2001-0566?

No fix has been published for CVE-2001-0566 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2001-0566 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2001-0566 exists.

Public exploit code: 1 Exploit-DB entry.

Sources

Also known as GHSA-w4fp-j2mm-3rrv.

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