CVE-2012-1635: The hook_node_access function in the revisioning module 7.x-1.x before 7.x-1.3 for Drupal checks the permissio

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MEDIUM 6.4DOWNGRADE

CVE-2012-1635 is a medium-severity flaw (CVSS 6.4) affecting revisioning. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The hook_node_access function in the revisioning module 7.x-1.x before 7.x-1.3 for Drupal checks the permissions of the current user even when it is called to check permissions of other users, which allows remote attackers to bypass intended access restrictions, as demonstrated when using the XML sitemap module to obtain sensitive information about unpublished content.

Why this priority

No elevated risk signals yet

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

Risk facts

CVSS score	6.4 (Medium)
EPSS exploit chance	1.4% (top 28%)
CISA exploited list	No
Weakness	CWE-264
Published	2012-08-28
Last modified	2026-06-16

Publisher (CNA): Red Hat, Inc. · Vendor: rik de boer

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

Am I affected?

Timeline

2012-08-28 17:55 UTCPublished CVE record published
2026-06-16 23:39 UTCUpdated Record last modified

rik de boer revisioning DOWNGRADE

Affected: 7.x-1.0 · 7.x-1.0 alpha1 · 7.x-1.0 alpha2 · 7.x-1.0 alpha3 · 7.x-1.0 alpha4 · 7.x-1.0 alpha5 · 7.x-1.0 beta1 · 7.x-1.0 beta10

Fixed in: no fixed release known

Safe to downgrade to: a release before 7.x-1.0

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 7.x-1.0 (Debian / Ubuntu)

apt-cache madison revisioning sudo apt install revisioning=<VERSION_BEFORE_7.x-1.0> sudo apt-mark hold revisioning

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

dnf --showduplicates list revisioning sudo dnf downgrade revisioning-<VERSION_BEFORE_7.x-1.0> sudo dnf versionlock add revisioning

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-2012-1635?

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

Is CVE-2012-1635 being exploited?

CVE-2012-1635 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-2012-1635 affect?

CVE-2012-1635 affects revisioning. Severity is medium (CVSS 6.4). The hook_node_access function in the revisioning module 7.x-1.x before 7.x-1.3 for Drupal checks the permissions of the current user even when it is called to check permissions of other users, which allows remote attackers to bypass intende

How urgent is CVE-2012-1635?

Priority 40/100. No elevated risk signals yet.

Software pages

Drupal vulnerabilities

Related CVEs

CVE-2013-4597 MEDIUM 4.0 DOWNGRADE The Revisioning module 7.x-1.x before 7.x-1.6 for Drupal does not properly check node access permissions for c

References

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