CVE-2014-8764: DokuWiki 2014-05-05a and earlier, when using Active Directory for LDAP authentication, allows remote attackers

Q: How do I fix CVE-2014-8764?

mageia: mitigate or apply the listed mitigation; dokuwiki: upgrade to newer than 2013-12-08. Exact commands for each OS are on this page.

Q: Is CVE-2014-8764 being exploited?

CVE-2014-8764 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-2014-8764 affect?

CVE-2014-8764 affects mageia, dokuwiki. Severity is medium (CVSS 5.0). DokuWiki 2014-05-05a and earlier, when using Active Directory for LDAP authentication, allows remote attackers to bypass authentication via a user name and password starting with a null (\0) character, which triggers an anonymous bind.

Q: How urgent is CVE-2014-8764?

Priority 37/100. No elevated risk signals yet.

Routine

MEDIUM 5.0MITIGATEUPGRADE

CVE-2014-8764 is a medium-severity flaw (CVSS 5.0) affecting mageia, dokuwiki. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

DokuWiki 2014-05-05a and earlier, when using Active Directory for LDAP authentication, allows remote attackers to bypass authentication via a user name and password starting with a null (\0) character, which triggers an anonymous bind.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	5.0 (Medium)
EPSS exploit chance	1.7% (top 23%)
CISA exploited list	No
Weakness	CWE-287
Published	2014-10-22
Last modified	2026-06-17

Publisher (CNA): Red Hat, Inc. · Vendor: dokuwiki · mageia project

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

Am I affected?

Timeline

2014-10-22 14:55 UTCPublished CVE record published
2026-06-17 00:17 UTCUpdated Record last modified

mageia project mageia MITIGATE

Affected: 3.0 · 4.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 3.0

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

dokuwiki dokuwiki UPGRADE

Affected: <= 2013-12-08

Fixed in: newer than 2013-12-08

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy dokuwiki || rpm -q dokuwiki || dokuwiki --version

2. UPGRADE to newer than 2013-12-08 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade dokuwiki

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade dokuwiki

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-2014-8764?

mageia: mitigate or apply the listed mitigation; dokuwiki: upgrade to newer than 2013-12-08. Exact commands for each OS are on this page.

Is CVE-2014-8764 being exploited?

CVE-2014-8764 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-2014-8764 affect?

CVE-2014-8764 affects mageia, dokuwiki. Severity is medium (CVSS 5.0). DokuWiki 2014-05-05a and earlier, when using Active Directory for LDAP authentication, allows remote attackers to bypass authentication via a user name and password starting with a null (\0) character, which triggers an anonymous bind.

How urgent is CVE-2014-8764?

Priority 37/100. No elevated risk signals yet.

Software pages

Active Directory vulnerabilities

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References

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