CVE-2009-3474
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 use a certificate for both signing and encryption when it is designated for just one purpose, potentially weakening the intended security application of the certificate.
Key facts
- CVSS score
- 7.5 (v2.0)
- Severity
- HIGH
- CVSS vector
AV:N/AC:L/Au:N/C:P/I:P/A:P- Weakness (CWE)
- CWE-310
- EPSS score
- 1.5% (75th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2009-3456)
- Published
- September 29, 2009
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2009-3456 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.
View on the EU Vulnerability DatabaseAffected products
- internet2 / opensaml
- internet2 / opensaml
- internet2 / opensaml
- internet2 / shibboleth-sp
- internet2 / shibboleth-sp
- internet2 / shibboleth-sp
- internet2 / shibboleth-sp
- internet2 / shibboleth-sp
- internet2 / shibboleth-sp
- internet2 / shibboleth-sp
- internet2 / xmltooling
- internet2 / xmltooling
- internet2 / xmltooling
- internet2 / xmltooling
References
- http://secunia.com/advisories/36855(Vendor Advisory)
- http://secunia.com/advisories/36868(Vendor Advisory)
- http://secunia.com/advisories/36876(Vendor Advisory)
- http://shibboleth.internet2.edu/secadv/secadv_20090817a.txt(Patch, Vendor Advisory)
- http://www.debian.org/security/2009/dsa-1895(Patch)
- http://www.debian.org/security/2009/dsa-1896(Patch)
- http://www.securityfocus.com/bid/36516(Patch)
- https://bugs.internet2.edu/jira/browse/CPPOST-28
- https://exchange.xforce.ibmcloud.com/vulnerabilities/53474
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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