CVE-2013-2123: The Node access user reference module 6.x-3.x before 6.x-3.5 and 7.x-3.x before 7.x-3.10 for Drupal does not p

Routine

MEDIUM 5.8DOWNGRADE

CVE-2013-2123 is a medium-severity flaw (CVSS 5.8) affecting nodeaccess userreference module. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The Node access user reference module 6.x-3.x before 6.x-3.5 and 7.x-3.x before 7.x-3.10 for Drupal does not properly restrict access to content containing a user reference field when the author update/delete grants are enabled and the author's user account is deleted, which allows remote attackers to modify the content via unspecified vectors.

Why this priority

No elevated risk signals yet

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	5.8 (Medium)
EPSS exploit chance	1.3% (top 29%)
CISA exploited list	No
Weakness	CWE-264
Published	2013-08-28
Last modified	2026-06-16

Publisher (CNA): Red Hat, Inc. · Vendor: node access user reference project

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2013-08-28 22:55 UTCPublished CVE record published
2026-06-16 23:52 UTCUpdated Record last modified

node access user reference project nodeaccess userreference module DOWNGRADE

Affected: 6.x-3.0 · 6.x-3.0 rc1 · 6.x-3.0 rc2 · 6.x-3.0 rc3 · 6.x-3.0 rc4 · 6.x-3.0 rc5 · 6.x-3.0 rc6 · 6.x-3.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 6.x-3.0

1. Check installed version

apt-cache policy nodeaccess-userreference-module || rpm -q nodeaccess-userreference-module || nodeaccess-userreference-module --version

2. No fixed release: DOWNGRADE to a release before 6.x-3.0 (Debian / Ubuntu)

apt-cache madison nodeaccess-userreference-module sudo apt install nodeaccess-userreference-module=<VERSION_BEFORE_6.x-3.0> sudo apt-mark hold nodeaccess-userreference-module

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list nodeaccess-userreference-module sudo dnf downgrade nodeaccess-userreference-module-<VERSION_BEFORE_6.x-3.0> sudo dnf versionlock add nodeaccess-userreference-module

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2013-2123?

nodeaccess userreference module: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2013-2123 being exploited?

CVE-2013-2123 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-2013-2123 affect?

CVE-2013-2123 affects nodeaccess userreference module. Severity is medium (CVSS 5.8). The Node access user reference module 6.x-3.x before 6.x-3.5 and 7.x-3.x before 7.x-3.10 for Drupal does not properly restrict access to content containing a user reference field when the author update/delete grants are enabled and the auth

How urgent is CVE-2013-2123?

Priority 38/100. No elevated risk signals yet.

Software pages

Drupal vulnerabilities

References

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