Back to Database
Status published
High
CVE-2001-0041
Memory leak in Cisco Catalyst 4000, 5000, and 6000 series...
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
THREAT MONITOR
Am I Vulnerable?
Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2001-0041
Credits & Attribution
No credits recorded in the NVD database.
References
More from cisco
View All →CVE-2025-27091
OpenH264 Decoding Functions Heap Overflow Vulnerability
High
8.6
CVE-2023-25653
Improper calculations in ECC implementation can trigger a Denial-of-Service (DoS)
High
7.5
CVE-2021-33478
The TrustZone implementation in certain Broadcom MediaxChange firmware could allow...
Medium
6.8
CVE-2020-16139
A denial-of-service in Cisco Unified IP Conference Station 7937G 1-4-4-0...
High
7.5
CVE-2020-16138
A denial-of-service issue in Cisco Unified IP Conference Station 7937G...
High
7.5
Affected Vendor
cisco
View all reports →Affected Software
catos
Vulnerable Versions:
4.5\(2\), 4.5\(3\), 4.5\(4\), 4.5\(5\), 4.5\(6\), 4.5\(7\), 4.5\(8\), 4.5\(9\), 5.1, 5.1\(1\), 5.1\(1a\), 5.1\(2a\), 5.2, 5.2\(1\), 5.2\(1a\), 5.2\(2\), 5.2\(3\), 5.2\(4\), 5.2\(5\), 5.2\(6\), 5.2\(7\), 5.3\(1\)csx, 5.3\(1a\)csx, 5.3\(2\)csx, 5.3\(3\)csx, 5.3\(4\)csx, 5.3\(5\)csx, 5.3\(5a\)csx, 5.3\(6\)csx, 5.4, 5.4\(1\), 5.4\(2\), 5.4\(3\), 5.4\(4\), 5.5, 5.5\(1\), 5.5\(2\), 5.5\(3\), 5.5\(4\), 5.5\(4a\)
Timeline
Official Publish:
May 7th, 2001
Last Modified:
August 8th, 2024
Added to House:
July 18th, 2026
CVSS Vectors
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.