How severe is CVE-2009-3300?

CVE-2009-3300 has a CVSS 2.0 base score of 2.6, rated low severity.

Is CVE-2009-3300 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-3300?

CVE-2009-3300 primarily affects Internet2 Identity Provider. In total, 16 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2009-3300?

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

When was CVE-2009-3300 published?

CVE-2009-3300 was published on 2009-11-06 and last updated on 2026-06-16.

CVE-2009-3300

CVE-2009-3300 is a low-severity vulnerability in Internet2 Identity Provider with a CVSS 2.0 base score of 2.6. 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-79.

Key facts

Severity: Low (CVSS 2.0 base score 2.6)
EPSS exploit prediction: 2% (74th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Internet2 Identity Provider
Published: 2009-11-06
Last modified: 2026-06-16

Description

Multiple cross-site scripting (XSS) vulnerabilities in the Identity Provider (IdP) 1.3.x before 1.3.4 and 2.x before 2.1.5, and the Service Provider 1.3.x before 1.3.5 and 2.x before 2.3, in Internet2 Middleware Initiative Shibboleth allow remote attackers to inject arbitrary web script or HTML via URLs that are encountered in redirections, and appear in automatically generated forms.

Frequently asked questions

What is CVE-2009-3300?: Multiple cross-site scripting (XSS) vulnerabilities in the Identity Provider (IdP) 1.3.x before 1.3.4 and 2.x before 2.1.5, and the Service Provider 1.3.x before 1.3.5 and 2.x before 2.3, in Internet2 Middleware Initiative Shibboleth allow remote attackers to inject arbitrary web script or HTML via URLs that are encountered in redirections, and appear in automatically generated forms.
How severe is CVE-2009-3300?: CVE-2009-3300 has a CVSS 2.0 base score of 2.6, rated low severity.
Is CVE-2009-3300 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-3300?: CVE-2009-3300 primarily affects Internet2 Identity Provider. In total, 16 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-3300?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2009-3300 published?: CVE-2009-3300 was published on 2009-11-06 and last updated on 2026-06-16.

References

Affected products (16)

cpe:2.3:a:internet2:identity_provider:1.3:*:*:*:*:*:*:*
cpe:2.3:a:internet2:identity_provider:1.3.1:*:*:*:*:*:*:*
cpe:2.3:a:internet2:identity_provider:1.3.2:*:*:*:*:*:*:*
cpe:2.3:a:internet2:identity_provider:1.3.3:*:*:*:*:*:*:*
cpe:2.3:a:internet2:identity_provider:2.1.0:*:*:*:*:*:*:*
cpe:2.3:a:internet2:identity_provider:2.1.1:*:*:*:*:*:*:*
cpe:2.3:a:internet2:identity_provider:2.1.2:*:*:*:*:*:*:*
cpe:2.3:a:internet2:identity_provider:2.1.3:*:*:*:*:*:*:*
cpe:2.3:a:internet2:identity_provider:2.1.4:*:*:*:*:*:*:*
cpe:2.3:a:internet2:service_provider:1.3:*:*:*:*:*:*:*
cpe:2.3:a:internet2:service_provider:1.3.1:*:*:*:*:*:*:*
cpe:2.3:a:internet2:service_provider:1.3.2:*:*:*:*:*:*:*
cpe:2.3:a:internet2:service_provider:1.3.3:*:*:*:*:*:*:*
cpe:2.3:a:internet2:service_provider:2.0:*:*:*:*:*:*:*
cpe:2.3:a:internet2:service_provider:2.1:*:*:*:*:*:*:*
cpe:2.3:a:internet2:service_provider:2.2:*:*:*:*:*:*:*

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