How severe is CVE-2000-1027?

CVE-2000-1027 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2000-1027 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (88th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2000-1027?

CVE-2000-1027 affects Cisco Pix Firewall Software. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2000-1027?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2000-1027 published?

CVE-2000-1027 was published on 2000-12-11 and last updated on 2026-06-16.

CVE-2000-1027

CVE-2000-1027 is a medium-severity vulnerability in Cisco Pix Firewall Software with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 4% (88th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Cisco Pix Firewall Software
Published: 2000-12-11
Last modified: 2026-06-16

Description

Cisco Secure PIX Firewall 5.2(2) allows remote attackers to determine the real IP address of a target FTP server by flooding the server with PASV requests, which includes the real IP address in the response when passive mode is established.

Frequently asked questions

What is CVE-2000-1027?: Cisco Secure PIX Firewall 5.2(2) allows remote attackers to determine the real IP address of a target FTP server by flooding the server with PASV requests, which includes the real IP address in the response when passive mode is established.
How severe is CVE-2000-1027?: CVE-2000-1027 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2000-1027 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (88th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2000-1027?: CVE-2000-1027 affects Cisco Pix Firewall Software. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2000-1027?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2000-1027 published?: CVE-2000-1027 was published on 2000-12-11 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:o:cisco:pix_firewall_software:5.2:*:*:*:*:*:*:*

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