How severe is CVE-2003-0393?

CVE-2003-0393 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2003-0393 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2003-0393?

CVE-2003-0393 affects Privacyware Privatefirewall. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2003-0393?

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

When was CVE-2003-0393 published?

CVE-2003-0393 was published on 2003-07-02 and last updated on 2026-06-16.

CVE-2003-0393

CVE-2003-0393 is a medium-severity vulnerability in Privacyware Privatefirewall 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: 1% (67th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Privacyware Privatefirewall
Published: 2003-07-02
Last modified: 2026-06-16

Description

Privacyware Privatefirewall 3.0 does not block certain incoming packets when in "Filter Internet Traffic" or Deny Internet Traffic" modes, which allows remote attackers to identify running services via FIN scans or Xmas scans.

Frequently asked questions

What is CVE-2003-0393?: Privacyware Privatefirewall 3.0 does not block certain incoming packets when in "Filter Internet Traffic" or Deny Internet Traffic" modes, which allows remote attackers to identify running services via FIN scans or Xmas scans.
How severe is CVE-2003-0393?: CVE-2003-0393 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2003-0393 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2003-0393?: CVE-2003-0393 affects Privacyware Privatefirewall. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2003-0393?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2003-0393 published?: CVE-2003-0393 was published on 2003-07-02 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:privacyware:privatefirewall:3.0:*:*:*:*:*:*:*

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