CVE-2012-1645: The CDN module 6.x-2.2 and 7.x-2.2 for Drupal, when running in Origin Pull mode with the "Far Future expiratio

Routine

LOW 2.6DOWNGRADE

CVE-2012-1645 is a low-severity flaw (CVSS 2.6) affecting cdn. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The CDN module 6.x-2.2 and 7.x-2.2 for Drupal, when running in Origin Pull mode with the "Far Future expiration" option enabled, allows remote attackers to read arbitrary PHP files via unspecified vectors, as demonstrated by reading settings.php.

Why this priority

No elevated risk signals yet

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

Risk facts

CVSS score	2.6 (Low)
EPSS exploit chance	1.4% (top 28%)
CISA exploited list	No
Weakness	CWE-200
Published	2012-08-28
Last modified	2026-06-16

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

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

wimleers cdn DOWNGRADE

Affected: 6.x-2.2 · 7.x-2.2

Fixed in: no fixed release known

Safe to downgrade to: a release before 6.x-2.2

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 6.x-2.2 (Debian / Ubuntu)

apt-cache madison cdn sudo apt install cdn=<VERSION_BEFORE_6.x-2.2> sudo apt-mark hold cdn

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

dnf --showduplicates list cdn sudo dnf downgrade cdn-<VERSION_BEFORE_6.x-2.2> sudo dnf versionlock add cdn

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-2012-1645?

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

Is CVE-2012-1645 being exploited?

CVE-2012-1645 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-2012-1645 affect?

CVE-2012-1645 affects cdn. Severity is low (CVSS 2.6). The CDN module 6.x-2.2 and 7.x-2.2 for Drupal, when running in Origin Pull mode with the "Far Future expiration" option enabled, allows remote attackers to read arbitrary PHP files via unspecified vectors, as demonstrated by reading setting

How urgent is CVE-2012-1645?

Priority 27/100. No elevated risk signals yet.

Software pages

Drupal vulnerabilities · PHP vulnerabilities

References

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