CVE-2012-2303: The Spaces module 6.x-3.x before 6.x-3.4 for Drupal does not enforce permissions on non-object pages, which al

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HIGH 7.5DOWNGRADE

CVE-2012-2303 is a high-severity flaw (CVSS 7.5) affecting spaces. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The Spaces module 6.x-3.x before 6.x-3.4 for Drupal does not enforce permissions on non-object pages, which allows remote attackers to obtain sensitive information and possibly have other impacts via unspecified vectors to the (1) Spaces or (2) Spaces OG module.

Why this priority

High severity
Public exploit reference

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

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	2.0% (top 20%)
CISA exploited list	No
Weakness	CWE-264
Published	2012-07-18
Last modified	2026-06-16

Publisher (CNA): Red Hat, Inc. · Vendor: florian weber

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

Am I affected?

Timeline

2012-07-18 18:55 UTCPublished CVE record published
2026-06-16 23:41 UTCUpdated Record last modified

florian weber spaces DOWNGRADE

Affected: 6.x-3.0 · 6.x-3.0 alpha1 · 6.x-3.0 alpha2 · 6.x-3.0 beta1 · 6.x-3.0 beta2 · 6.x-3.0 beta3 · 6.x-3.0 beta4 · 6.x-3.0 beta5

Fixed in: no fixed release known

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

1. Check installed version

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

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

apt-cache madison spaces sudo apt install spaces=<VERSION_BEFORE_6.x-3.0> sudo apt-mark hold spaces

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

dnf --showduplicates list spaces sudo dnf downgrade spaces-<VERSION_BEFORE_6.x-3.0> sudo dnf versionlock add spaces

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-2012-2303?

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

Is CVE-2012-2303 being exploited?

CVE-2012-2303 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-2012-2303 affect?

CVE-2012-2303 affects spaces. Severity is high (CVSS 7.5). The Spaces module 6.x-3.x before 6.x-3.4 for Drupal does not enforce permissions on non-object pages, which allows remote attackers to obtain sensitive information and possibly have other impacts via unspecified vectors to the (1) Spaces or

How urgent is CVE-2012-2303?

Priority 51/100. High severity; Public exploit reference

Software pages

Drupal vulnerabilities

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References

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