How severe is CVE-2003-0712?

CVE-2003-0712 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2003-0712 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 17% (97th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2003-0712?

CVE-2003-0712 primarily affects Microsoft Exchange Server. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2003-0712?

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

When was CVE-2003-0712 published?

CVE-2003-0712 was published on 2003-11-17 and last updated on 2026-06-16.

CVE-2003-0712

CVE-2003-0712 is a medium-severity vulnerability in Microsoft Exchange Server with a CVSS 2.0 base score of 4.3. Its EPSS exploit-prediction score of 17% places it in the 97th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 17% (97th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Microsoft Exchange Server
Published: 2003-11-17
Last modified: 2026-06-16

Description

Cross-site scripting (XSS) vulnerability in the HTML encoding for the Compose New Message form in Microsoft Exchange Server 5.5 Outlook Web Access (OWA) allows remote attackers to execute arbitrary web script.

Frequently asked questions

What is CVE-2003-0712?: Cross-site scripting (XSS) vulnerability in the HTML encoding for the Compose New Message form in Microsoft Exchange Server 5.5 Outlook Web Access (OWA) allows remote attackers to execute arbitrary web script.
How severe is CVE-2003-0712?: CVE-2003-0712 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2003-0712 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 17% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2003-0712?: CVE-2003-0712 primarily affects Microsoft Exchange Server. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2003-0712?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2003-0712 published?: CVE-2003-0712 was published on 2003-11-17 and last updated on 2026-06-16.

References

Affected products (5)

cpe:2.3:a:microsoft:exchange_server:5.5:-:*:*:*:*:*:*
cpe:2.3:a:microsoft:exchange_server:5.5:sp1:*:*:*:*:*:*
cpe:2.3:a:microsoft:exchange_server:5.5:sp2:*:*:*:*:*:*
cpe:2.3:a:microsoft:exchange_server:5.5:sp3:*:*:*:*:*:*
cpe:2.3:a:microsoft:exchange_server:5.5:sp4:*:*:*:*:*:*

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