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.

Published: 2009-09-29 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2009-3474 is rated Moderate Risk (57.1/100): CVSS High severity, with medium exploitation likelihood (EPSS 1.29%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2009-3474

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-03-30 1.38% 1.29% -0.09%
2 2025-03-29 1.29% 1.38% +0.09%
3 2025-03-17 — 1.29% —

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2009-3474

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 2.0 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 6.4 [email protected]

Weakness enumeration for CVE-2009-3474

OS Trackers for CVE-2009-3474

vendor priority summary link
debian not yet assigned CVE-2009-3474 not yet assigned priority: Debian including 3 source packages (opensaml, shibboleth-sp, xmltooling), 15 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 15. https://security-tracker.debian.org/tracker/CVE-2009-3474
ubuntu low CVE-2009-3474 low priority: Ubuntu including 3 source packages (opensaml, shibboleth-sp, xmltooling), 30 status rows across 10 suites (dapper, hardy, intrepid, jaunty, karmic, lucid, maverick, natty, oneiric, upstream): DNE 14, released 8, ignored 4, not-affected 4. https://ubuntu.com/security/CVE-2009-3474

Affected software / configurations for CVE-2009-3474

Vendor Product Version Raw CPE
internet2 opensaml 2.0 cpe:2.3:a:internet2:opensaml:2.0:*:*:*:*:*:*:*
internet2 opensaml 2.1.0 cpe:2.3:a:internet2:opensaml:2.1.0:*:*:*:*:*:*:*
internet2 opensaml 2.2.0 cpe:2.3:a:internet2:opensaml:2.2.0:*:*:*:*:*:*:*
internet2 xmltooling 1.0.1 cpe:2.3:a:internet2:xmltooling:1.0.1:*:*:*:*:*:*:*
internet2 xmltooling 1.1.0 cpe:2.3:a:internet2:xmltooling:1.1.0:*:*:*:*:*:*:*
internet2 xmltooling 1.1.1 cpe:2.3:a:internet2:xmltooling:1.1.1:*:*:*:*:*:*:*
internet2 xmltooling 1.2.0 cpe:2.3:a:internet2:xmltooling:1.2.0:*:*:*:*:*:*:*
internet2 shibboleth-sp 1.3.1 cpe:2.3:a:internet2:shibboleth-sp:1.3.1:*:*:*:*:*:*:*
internet2 shibboleth-sp 1.3.2 cpe:2.3:a:internet2:shibboleth-sp:1.3.2:*:*:*:*:*:*:*
internet2 shibboleth-sp 1.3b cpe:2.3:a:internet2:shibboleth-sp:1.3b:*:*:*:*:*:*:*
internet2 shibboleth-sp 1.3f cpe:2.3:a:internet2:shibboleth-sp:1.3f:*:*:*:*:*:*:*
internet2 shibboleth-sp 2.0 cpe:2.3:a:internet2:shibboleth-sp:2.0:*:*:*:*:*:*:*
internet2 shibboleth-sp 2.1 cpe:2.3:a:internet2:shibboleth-sp:2.1:*:*:*:*:*:*:*
internet2 shibboleth-sp 2.2 cpe:2.3:a:internet2:shibboleth-sp:2.2:*:*:*:*:*:*:*

References for CVE-2009-3474

cvelogic Threat Intelligence