How severe is CVE-2005-1907?

CVE-2005-1907 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2005-1907 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 19% (97th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2005-1907?

CVE-2005-1907 affects Microsoft Isa Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2005-1907?

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

When was CVE-2005-1907 published?

CVE-2005-1907 was published on 2005-05-31 and last updated on 2026-06-16.

CVE-2005-1907

CVE-2005-1907 is a medium-severity vulnerability in Microsoft Isa Server with a CVSS 2.0 base score of 5.0. Its EPSS exploit-prediction score of 19% places it in the 97th percentile, indicating an elevated likelihood of exploitation.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 19% (97th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Microsoft Isa Server
Published: 2005-05-31
Last modified: 2026-06-16

Description

The ISA Firewall service in Microsoft Internet Security and Acceleration (ISA) Server 2000 allows remote attackers to cause a denial of service (Wspsrv.exe crash) via a large amount of SecureNAT network traffic.

Frequently asked questions

What is CVE-2005-1907?: The ISA Firewall service in Microsoft Internet Security and Acceleration (ISA) Server 2000 allows remote attackers to cause a denial of service (Wspsrv.exe crash) via a large amount of SecureNAT network traffic.
How severe is CVE-2005-1907?: CVE-2005-1907 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2005-1907 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 19% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2005-1907?: CVE-2005-1907 affects Microsoft Isa Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2005-1907?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2005-1907 published?: CVE-2005-1907 was published on 2005-05-31 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:microsoft:isa_server:2000:*:*:*:*:*:*:*

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