CVE-2015-3375: Cross-site request forgery (CSRF) vulnerability in the Shibboleth Authentication module before 6.x-4.1 and 7.x

Q: How do I fix CVE-2015-3375?

shibboleth authentication: upgrade to newer than 6.x-4.0. Exact commands for each OS are on this page.

Q: Is CVE-2015-3375 being exploited?

CVE-2015-3375 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2015-3375 affect?

CVE-2015-3375 affects shibboleth authentication. Severity is medium (CVSS 5.8). Cross-site request forgery (CSRF) vulnerability in the Shibboleth Authentication module before 6.x-4.1 and 7.x-4.x before 7.x-4.1 for Drupal allows remote attackers to hijack the authentication of administrators for requests that delete use

Q: How urgent is CVE-2015-3375?

Priority 33/100. No elevated risk signals yet.

Routine

MEDIUM 5.8UPGRADE

CVE-2015-3375 is a medium-severity flaw (CVSS 5.8) affecting shibboleth authentication. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cross-site request forgery (CSRF) vulnerability in the Shibboleth Authentication module before 6.x-4.1 and 7.x-4.x before 7.x-4.1 for Drupal allows remote attackers to hijack the authentication of administrators for requests that delete user role matching rules via unspecified vectors.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	5.8 (Medium)
EPSS exploit chance	0.6% (top 49%)
CISA exploited list	No
Weakness	CWE-352
Published	2015-04-21
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: niif

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2015-04-21 16:59 UTCPublished CVE record published
2026-06-17 00:25 UTCUpdated Record last modified

niif shibboleth authentication UPGRADE

Affected: <= 6.x-4.0 · 7.x-4.0

Fixed in: newer than 6.x-4.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy shibboleth-authentication || rpm -q shibboleth-authentication || shibboleth-authentication --version

2. UPGRADE to newer than 6.x-4.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade shibboleth-authentication

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade shibboleth-authentication

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2015-3375?

shibboleth authentication: upgrade to newer than 6.x-4.0. Exact commands for each OS are on this page.

Is CVE-2015-3375 being exploited?

CVE-2015-3375 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2015-3375 affect?

CVE-2015-3375 affects shibboleth authentication. Severity is medium (CVSS 5.8). Cross-site request forgery (CSRF) vulnerability in the Shibboleth Authentication module before 6.x-4.1 and 7.x-4.x before 7.x-4.1 for Drupal allows remote attackers to hijack the authentication of administrators for requests that delete use

How urgent is CVE-2015-3375?

Priority 33/100. No elevated risk signals yet.

Software pages

Drupal vulnerabilities

Related CVEs

CVE-2015-5513 LOW 2.1 DOWNGRADE Cross-site scripting (XSS) vulnerability in the Shibboleth authentication module 6.x-4.x before 6.x-4.2 and 7.

References

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