Back to Database
Status published
High
CVE-2001-0864
Cisco 12000 with IOS 12.0 and line cards based on...
Vulnerability Description
Cisco 12000 with IOS 12.0 and line cards based on Engine 2 does not properly handle the implicit "deny ip any any" rule in an outgoing ACL when the ACL contains exactly 448 entries, which can allow some outgoing packets to bypass access restrictions.
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-2001-0864
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
12000 router
Vulnerable Versions:
Unknown
Timeline
Official Publish:
March 9th, 2002
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.