How severe is CVE-2002-2397?

CVE-2002-2397 has a CVSS 2.0 base score of 10.0, rated critical severity.

Is CVE-2002-2397 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2002-2397?

CVE-2002-2397 affects Symantec Sygate Personal Firewall. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2002-2397?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2002-2397 published?

CVE-2002-2397 was published on 2002-12-31 and last updated on 2026-06-16.

CVE-2002-2397

CVE-2002-2397 is a critical-severity vulnerability in Symantec Sygate Personal Firewall with a CVSS 2.0 base score of 10.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-287.

Key facts

Severity: Critical (CVSS 2.0 base score 10.0)
EPSS exploit prediction: 2% (80th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Symantec Sygate Personal Firewall
Published: 2002-12-31
Last modified: 2026-06-16

Description

Sygate personal firewall 5.0 could allow remote attackers to bypass firewall filters via spoofed (1) source IP address of 127.0.0.1 or (2) network address of 127.0.0.0.

Frequently asked questions

What is CVE-2002-2397?: Sygate personal firewall 5.0 could allow remote attackers to bypass firewall filters via spoofed (1) source IP address of 127.0.0.1 or (2) network address of 127.0.0.0.
How severe is CVE-2002-2397?: CVE-2002-2397 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2002-2397 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2002-2397?: CVE-2002-2397 affects Symantec Sygate Personal Firewall. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2002-2397?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2002-2397 published?: CVE-2002-2397 was published on 2002-12-31 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:symantec:sygate_personal_firewall:5.0:*:*:*:*:*:*:*

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