CVE-2001-0041

CVE-2001-0041 is a high-severity vulnerability in Cisco Catos with a CVSS 2.0 base score of 7.8. Its EPSS exploit-prediction score of 12% places it in the 96th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-399.

Key facts

Description

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.

Frequently asked questions

What is CVE-2001-0041?
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.
How severe is CVE-2001-0041?
CVE-2001-0041 has a CVSS 2.0 base score of 7.8, rated high severity.
Is CVE-2001-0041 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 12% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2001-0041?
CVE-2001-0041 primarily affects Cisco Catos. In total, 40 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2001-0041?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2001-0041 published?
CVE-2001-0041 was published on 2001-02-16 and last updated on 2026-06-16.

References

Affected products (40)

More vulnerabilities in Cisco Catos

All CVEs affecting Cisco Catos →

Other CWE-399 (Resource Management Errors) vulnerabilities

Browse all CWE-399 (Resource Management Errors) vulnerabilities →