CVE-2001-0375

Exp

Cisco PIX Firewall 515 and 520 with 5.1.4 OS running aaa authentication to a TACACS+ server allows remote attackers to cause a denial of service via a large number of authentication requests.

Published: 2001-06-18 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2001-0375 is rated High Exploit Risk (63.3/100): CVSS Medium severity, with high exploitation likelihood (EPSS 10.30%, 95th percentile). 2 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

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

Public exploit references (Exploit-DB) for CVE-2001-0375

EDB-ID Source Kind Published Link
20734 exploit_db edb 2001-04-06 Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2001-0375

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 16.08% 10.30% -5.77%
2 2025-07-27 23.46% 16.08% -7.39%
3 2025-03-30 — 23.46% —

Full EPSS history (10 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2001-0375

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-2001-0375

Affected software / configurations for CVE-2001-0375

Vendor Product Version Raw CPE
cisco pix_firewall_515 — cpe:2.3:h:cisco:pix_firewall_515:*:*:*:*:*:*:*:*
cisco pix_firewall_520 — cpe:2.3:h:cisco:pix_firewall_520:*:*:*:*:*:*:*:*

References for CVE-2001-0375

cvelogic Threat Intelligence