How severe is CVE-2009-3369?

CVE-2009-3369 has a CVSS 2.0 base score of 8.5, rated high severity.

Is CVE-2009-3369 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-3369?

CVE-2009-3369 affects Backuppc. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2009-3369?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2009-3369 published?

CVE-2009-3369 was published on 2009-09-24 and last updated on 2026-06-16.

CVE-2009-3369

CVE-2009-3369 is a high-severity vulnerability in Backuppc with a CVSS 2.0 base score of 8.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-264.

Key facts

Severity: High (CVSS 2.0 base score 8.5)
EPSS exploit prediction: 3% (85th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: Backuppc
Published: 2009-09-24
Last modified: 2026-06-16

Description

CgiUserConfigEdit in BackupPC 3.1.0, when SSH keys and Rsync are in use in a multi-user environment, does not restrict users from the ClientNameAlias function, which allows remote authenticated users to read and write sensitive files by modifying ClientNameAlias to match another system, then initiating a backup or restore.

Frequently asked questions

What is CVE-2009-3369?: CgiUserConfigEdit in BackupPC 3.1.0, when SSH keys and Rsync are in use in a multi-user environment, does not restrict users from the ClientNameAlias function, which allows remote authenticated users to read and write sensitive files by modifying ClientNameAlias to match another system, then initiating a backup or restore.
How severe is CVE-2009-3369?: CVE-2009-3369 has a CVSS 2.0 base score of 8.5, rated high severity.
Is CVE-2009-3369 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-3369?: CVE-2009-3369 affects Backuppc. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2009-3369?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2009-3369 published?: CVE-2009-3369 was published on 2009-09-24 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:backuppc:backuppc:3.1.0:*:*:*:*:*:*:*

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