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CVE-2009-3474

21
FAUCET Score

CVE-2009-3474 describes a vulnerability in OpenSAML 2.x and XMLTooling 1.x, including their use in Internet2 Shibboleth Service Provider 2.x. The flaw allows attackers to bypass the intended use of a certificate (signing or encryption) by ignoring the KeyDescriptor element's Use attribute, potentially weakening the security posture. This vulnerability has a CVSS score of 7.5, indicating high severity with low attack complexity and potential for partial compromise of confidentiality, integrity, and availability. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
2.0CPE matchmatch criteria
cpe:2.3:a:internet2:opensaml:2.0:*:*:*:*:*:*:*
2.1.0CPE matchmatch criteria
cpe:2.3:a:internet2:opensaml:2.1.0:*:*:*:*:*:*:*
2.2.0CPE matchmatch criteria
cpe:2.3:a:internet2:opensaml:2.2.0:*:*:*:*:*:*:*
1.0.1CPE matchmatch criteria
cpe:2.3:a:internet2:xmltooling:1.0.1:*:*:*:*:*:*:*
1.1.0CPE matchmatch criteria
cpe:2.3:a:internet2:xmltooling:1.1.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.5HIGH

AV:N/AC:L/Au:N/C:P/I:P/A:P

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.54%
Probability of exploitation in next 30 days
EPSS Percentile
72.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0154 is in the 54th percentile among its peer group of 51,466 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

debianpatch availablevia nvd_reference
View patch

References

bugs.internet2.edu / jira/browse/CPPOST-28
secunia.com / advisories/36855
Vendor Advisory
secunia.com / advisories/36868
Vendor Advisory
secunia.com / advisories/36876
Vendor Advisory
exchange.xforce.ibmcloud.com / vulnerabilities/53474
shibboleth.internet2.edu / secadv/secadv_20090817a.txt
PatchVendor Advisory
debian.org / security/2009/dsa-1895
Patch
debian.org / security/2009/dsa-1896
Patch
securityfocus.com / bid/36516
Patch