CVE-2001-0041: High severity Cisco CatOS vulnerability

Published Feb 16, 2001
·
Updated

Memory leak in Cisco Catalyst 4000, 5000, and 6000 series switches allows remote attackers to cause a denial of service via a series of failed telnet authentication attempts.

Affected Software

40 affected components
Cisco CatOS=5.4\(4\)
Cisco CatOS=5.5\(4\)
Cisco CatOS=4.5\(3\)
Cisco CatOS=5.1\(2a\)
Cisco CatOS=5.1
Cisco CatOS=5.4\(1\)
Cisco CatOS=5.5
Cisco CatOS=5.5\(1\)
Cisco CatOS=4.5\(9\)
Cisco CatOS=5.1\(1a\)
Cisco CatOS=5.3\(5\)csx
Cisco CatOS=5.3\(1a\)csx
Cisco CatOS=5.3\(2\)csx
Cisco CatOS=5.2\(3\)
Cisco CatOS=5.3\(4\)csx
Cisco CatOS=5.2\(4\)
Cisco CatOS=5.5\(4a\)
Cisco CatOS=4.5\(5\)
Cisco CatOS=5.4\(3\)
Cisco CatOS=5.1\(1\)
Cisco CatOS=5.2\(6\)
Cisco CatOS=4.5\(2\)
Cisco CatOS=4.5\(8\)
Cisco CatOS=5.5\(3\)
Cisco CatOS=5.3\(3\)csx
Cisco CatOS=5.4
Cisco CatOS=5.3\(6\)csx
Cisco CatOS=5.4\(2\)
Cisco CatOS=5.2\(5\)
Cisco CatOS=5.5\(2\)
Cisco CatOS=5.2
Cisco CatOS=5.2\(7\)
Cisco CatOS=5.2\(2\)
Cisco CatOS=5.3\(5a\)csx
Cisco CatOS=5.2\(1\)
Cisco CatOS=5.2\(1a\)
Cisco CatOS=4.5\(7\)
Cisco CatOS=5.3\(1\)csx
Cisco CatOS=4.5\(6\)
Cisco CatOS=4.5\(4\)

Remediation

Patch Available

http://www.cisco.com/warp/public/707/catalyst-memleak-pub.shtml

Patch Available

http://www.securityfocus.com/bid/2072

Event History

Feb 16, 2001
CVE Published
05:00 AM
May 7, 2001
CVE Published
via MITRE·08:00 AM
Data Sourced
via MITRE·08:00 AM
Description
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Frequently Asked Questions

1

What is the severity of CVE-2001-0041?

CVE-2001-0041 has a severity rating that indicates a potential denial of service caused by a memory leak in affected Cisco devices.

2

How do I fix CVE-2001-0041?

To fix CVE-2001-0041, update affected Cisco Catalyst switches to a fixed version of CatOS that addresses the memory leak issue.

3

Which Cisco devices are affected by CVE-2001-0041?

CVE-2001-0041 affects Cisco Catalyst 4000, 5000, and 6000 series switches running specific versions of CatOS.

4

What is the impact of exploiting CVE-2001-0041?

Exploiting CVE-2001-0041 can lead to a denial of service, causing the affected Cisco switches to become unresponsive due to a memory leak.

5

Can failed telnet login attempts trigger CVE-2001-0041?

Yes, a series of failed telnet authentication attempts can trigger the memory leak vulnerability described in CVE-2001-0041.

Company

Resources

Contact

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