CVE-2011-4405

The cupshelpers scripts in system-config-printer in Ubuntu 11.04 and 11.10, as used by the automatic printer driver download service, uses an "insecure connection" for queries to the OpenPrinting database, which allows remote attackers to execute arbitrary code via a man-in-the-middle (MITM) attack that modifies packages or repositories.

Published: 2011-11-29 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2011-4405 is rated Moderate Risk (62.2/100): CVSS High severity, with medium exploitation likelihood (EPSS 3.49%). EPSS rose +1.53% over the last day, indicating growing attacker interest. 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-2011-4405

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 2026-06-15 1.97% 3.49% +1.53%
2 2025-03-30 8.41% 1.97% -6.45%
3 2025-03-29 — 8.41% —

Full EPSS history (8 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2011-4405

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 2.0 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 6.4 [email protected]

Weakness enumeration for CVE-2011-4405

OS Trackers for CVE-2011-4405

vendor priority summary link
debian low CVE-2011-4405 low priority: Debian including 1 source packages (system-config-printer), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2011-4405
redhat medium — https://access.redhat.com/security/cve/CVE-2011-4405
ubuntu high CVE-2011-4405 high priority: Ubuntu including 1 source packages (system-config-printer), 6 status rows across 6 suites (hardy, lucid, maverick, natty, oneiric, upstream): not-affected 2, released 2, ignored 1, needs-triage 1. https://ubuntu.com/security/CVE-2011-4405

Affected software / configurations for CVE-2011-4405

Vendor Product Version Raw CPE
canonical ubuntu_linux 11.04 cpe:2.3:o:canonical:ubuntu_linux:11.04:*:*:*:*:*:*:*
canonical ubuntu_linux 11.10 cpe:2.3:o:canonical:ubuntu_linux:11.10:*:*:*:*:*:*:*

References for CVE-2011-4405

cvelogic Threat Intelligence