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.

Published: 2009-09-24 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2009-3369 is rated Moderate Risk (59.8/100): CVSS High severity, with medium exploitation likelihood (EPSS 4.43%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2009-3369

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-03-30 14.57% 4.43% -10.14%
2 2025-03-29 4.43% 14.57% +10.14%
3 2025-03-19 — 4.43% —

Full EPSS history (6 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2009-3369

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
8.5 2.0 HIGH
AV:N/AC:M/Au:S/C:C/I:C/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:S)
A single authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
 6.8 10.0 [email protected]

Weakness enumeration for CVE-2009-3369

OS Trackers for CVE-2009-3369

vendor priority summary link
debian low CVE-2009-3369 low priority: Debian including 1 source packages (backuppc), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2009-3369
redhat low — https://access.redhat.com/security/cve/CVE-2009-3369
ubuntu medium CVE-2009-3369 medium priority: Ubuntu including 1 source packages (backuppc), 5 status rows across 5 suites (dapper, hardy, intrepid, jaunty, upstream): released 4, not-affected 1. https://ubuntu.com/security/CVE-2009-3369

Affected software / configurations for CVE-2009-3369

Vendor Product Version Raw CPE
backuppc backuppc 3.1.0 cpe:2.3:a:backuppc:backuppc:3.1.0:*:*:*:*:*:*:*

References for CVE-2009-3369

cvelogic Threat Intelligence