How severe is CVE-2003-0011?

CVE-2003-0011 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2003-0011 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 13% (96th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2003-0011?

CVE-2003-0011 primarily affects Microsoft Isa Server. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2003-0011?

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

When was CVE-2003-0011 published?

CVE-2003-0011 was published on 2003-03-24 and last updated on 2026-06-16.

CVE-2003-0011

CVE-2003-0011 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 13% places it in the 96th percentile, indicating an elevated likelihood of exploitation.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 13% (96th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Microsoft Isa Server
Published: 2003-03-24
Last modified: 2026-06-16

Description

Unknown vulnerability in the DNS intrusion detection application filter for Microsoft Internet Security and Acceleration (ISA) Server 2000 allows remote attackers to cause a denial of service (blocked traffic to DNS servers) via a certain type of incoming DNS request that is not properly handled.

Frequently asked questions

What is CVE-2003-0011?: Unknown vulnerability in the DNS intrusion detection application filter for Microsoft Internet Security and Acceleration (ISA) Server 2000 allows remote attackers to cause a denial of service (blocked traffic to DNS servers) via a certain type of incoming DNS request that is not properly handled.
How severe is CVE-2003-0011?: CVE-2003-0011 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2003-0011 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 13% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2003-0011?: CVE-2003-0011 primarily affects Microsoft Isa Server. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2003-0011?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2003-0011 published?: CVE-2003-0011 was published on 2003-03-24 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:a:microsoft:isa_server:2000:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:isa_server:2000:sp1:*:*:*:*:*:*

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