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Internet2 vulnerabilitiesNone on the known-exploited list.

Vendor
The short answer

Internet2 has 7 published vulnerabilities across 6 products in our catalogue. None of them is on the list of flaws known to be exploited today. The most affected product is Opensaml, with 3. If you run Internet2 software, patch the exploited flaws first.

See the exploited flaws

We keep watching the known-exploited list.

Products

Which Internet2 products have the most vulnerabilities?

Opensaml leads with 3 published vulnerabilities. Open a product to see its versions and which of its flaws criminals are already using.

  1. Opensaml3
  2. Shibboleth-Sp3
  3. Grouper2
  4. Xmltooling2
  5. Identity Provider1
  6. Service Provider1
Published vulnerabilities
Known exploited

Which Internet2 vulnerabilities are being exploited?

This is the list that matters most: flaws criminals are using now.

None of Internet2's published vulnerabilities is on the list of flaws known to be exploited today. We keep watching that list.

Exploit likelihood

Which Internet2 flaws are most likely to be used?

Ranked by the latest exploit-likelihood forecast: the chance each flaw is used in an attack in the next 30 days. A high severity score on its own doesn't tell you that. Flaws shared by many other makers' products are left out.

50% or more10% to 49%Under 10%
  1. 4.1%
    CVE-2009-3476Critical

    Buffer overflow in OpenSAML before 1.1.3 as used in Internet2 Shibboleth Service Provider software 1.3.x before 1.3.4, and XMLTooling before 1.2.2 as used in Internet2 Shibboleth Service Provider software 2.x before...

    CVSS9.3Published29 Sep 2009
  2. 2.8%
    CVE-2013-6440Medium

    The (1) BasicParserPool, (2) StaticBasicParserPool, (3) XML Decrypter, and (4) SAML Decrypter in Shibboleth OpenSAML-Java before 2.6.1 set the expandEntityReferences property to true, which allows remote attackers to...

    CVSS5.0Published14 Feb 2014
  3. 1.7%
    CVE-2009-3300Low

    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...

    CVSS2.6Published6 Nov 2009
  4. 1.5%
    CVE-2009-3474High

    OpenSAML 2.x before 2.2.1 and XMLTooling 1.x before 1.2.1, as used by Internet2 Shibboleth Service Provider 2.x before 2.2.1, do not follow the KeyDescriptor element's Use attribute, which allows remote attackers to...

    CVSS7.5Published29 Sep 2009
  5. 1.1%
    CVE-2018-19794Medium

    Cross-site scripting (XSS) vulnerability in UiV2Public.index in Internet2 Grouper 2.2 and 2.3 allows remote attackers to inject arbitrary web script or HTML via the code parameter.

    CVSS6.1Published3 Dec 2018
  6. 0.9%
    CVE-2009-3475High

    Internet2 Shibboleth Service Provider software 1.3.x before 1.3.3 and 2.x before 2.2.1, when using PKIX trust validation, does not properly handle a '\0' character in the subject or subjectAltName fields of a...

    CVSS7.5Published29 Sep 2009
  7. 0.3%
    CVE-2025-59714Medium

    In Internet2 Grouper 5.17.1 before 5.20.5, group admins who are not Grouper sysadmins can configure loader jobs.

    CVSS6.5Published19 Sep 2025
Every product

All Internet2 products we track.

6 products, most vulnerabilities first. Find the ones you run, then open a product to see its versions and exploited flaws.

Precursor Intelligence

Running Internet2? We'll keep checking.

Looking flaws up one at a time doesn't scale. Tell us what you run once, and we tell you which flaws matter to you, in what order, and keep watching for new ones.

  1. Tell us what you runPick your software from a list, or let us work it out from your website.
  2. We match it to every flawOver 400,000 published flaws, checked against your list.
  3. Ranked by real-world riskA 0 to 100 score, led by evidence criminals are using it.
  4. Told as soon as we knowAn alert by email, in the app or by webhook to your own tools.
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FAQ

Common questions, answered plainly.

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Our catalogue lists 7 published vulnerabilities across 6 products and 56 versions from Internet2.

None of Internet2's vulnerabilities is on the list of flaws known to be exploited today.

Opensaml, with 3 published vulnerabilities. Its own page lists the ones known to be exploited.

Create a Precursor Intelligence account and track the Internet2 products you run. We match them against every published flaw, give each one a risk score from 0 to 100 and tell you as soon as we spot one that affects you, by email, in the app or by webhook.

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