CVE-2001-0375

Pix Firewall 515 vulnerability

CVSS

5.0

EPSS

10.3%

EPSS pct

95th

Exploited

No known

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.

Affected vendor

Cisco

Affected product

Pix Firewall 515

CVSS vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

Published

2001-06-18

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no authentication. Successful exploitation leads to partial impact to availability.

Its EPSS score of 10.3% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 95% of all scored CVEs.

Check your external exposure to CVE-2001-0375

Confirm whether Cisco Pix Firewall 515 is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2001-0375.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2001-0375

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2001-0375 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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