CVE-2001-0895

Multiple Cisco networking products allow remote attackers to cause a denial of service on the local network via a series of ARP packets sent to the router's interface that contains a different MAC address for the router, which eventually causes the router to overwrite the MAC address in its ARP table.

Published: 2001-11-15 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2001-0895 is rated Moderate Risk (48/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 2.35%). Mandatory action: Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2001-0895

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 2.89% 2.35% -0.54%
2 2026-01-23 1.67% 2.89% +1.23%
3 2025-05-28 1.67%

Full EPSS history (11 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2001-0895

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
10.0 2.9 [email protected]

Weakness enumeration for CVE-2001-0895

Affected software / configurations for CVE-2001-0895

Vendor Product Version Raw CPE
cisco catalyst_2900xl cpe:2.3:h:cisco:catalyst_2900xl:*:*:*:*:*:*:*:*
cisco catalyst_2948g-l3 cpe:2.3:h:cisco:catalyst_2948g-l3:*:*:*:*:*:*:*:*
cisco catalyst_2950 cpe:2.3:h:cisco:catalyst_2950:*:*:*:*:*:*:*:*
cisco catalyst_3500xl cpe:2.3:h:cisco:catalyst_3500xl:*:*:*:*:*:*:*:*
cisco catalyst_3550 cpe:2.3:h:cisco:catalyst_3550:*:*:*:*:*:*:*:*
cisco catalyst_4000 cpe:2.3:h:cisco:catalyst_4000:*:*:*:*:*:*:*:*
cisco catalyst_4908g-l3 cpe:2.3:h:cisco:catalyst_4908g-l3:*:*:*:*:*:*:*:*
cisco catalyst_5000 cpe:2.3:h:cisco:catalyst_5000:*:*:*:*:*:*:*:*
cisco catalyst_6000 cpe:2.3:h:cisco:catalyst_6000:*:*:*:*:*:*:*:*
cisco catalyst_8500 cpe:2.3:h:cisco:catalyst_8500:*:*:*:*:*:*:*:*
cisco distributed_director cpe:2.3:h:cisco:distributed_director:*:*:*:*:*:*:*:*

References for CVE-2001-0895

cvelogic Threat Intelligence