7.5

CVE-2009-3475: internet2 shibboleth-sp Cryptographic Issues

CVSS: 7.5v2.0HighModified
AliasesDEBIAN-CVE-2009-3475
Published 29-09-2009Last modified 17-09-2024

Vulnerability summary

CVE-2009-3475 is a high (CVSS 7.5) Cryptographic Issues vulnerability in internet2 shibboleth-sp. EPSS estimates a 0.89% chance of exploitation in the next 30 days, higher than 58.7% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v2.0 (NVD)
EPSS score
0.89%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 3

Timeline

  1. 29-09-2009
    PublishedVulnerability first disclosed.
  2. 17-09-2024
    Last modifiedVulnerability information updated.

Description

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 certificate, which allows remote man-in-the-middle attackers to spoof arbitrary SSL servers via a crafted certificate issued by a legitimate Certification Authority, a related issue to CVE-2009-2408.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

0.89%

Chance of exploitation in the next 30 days

Percentile

59%

Versus all other CVEs

30-day change

0.00 pp

From 0.89% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.89%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Debian3 products
  • opensaml< 3.0.0-2
  • shibboleth-sp< 3.0.2+dfsg1-2
  • xmltooling< 1.2.2-1
Internet21 product

2 vendors · 4 products

References

7 links