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.
CVE-2011-4405
- No confirmed exploitation signals yet
A fix is available — apply it.
- CVSS v3
- —
- EG Score
- 0.0(none)
- EPSS
- 87.7%
- KEV
- Not listed
Published
November 29, 2011
Last Modified
April 29, 2026
References (10)
- security@ubuntuhttp://osvdb.org/77214
- security@ubuntuhttp://secunia.com/advisories/46909
- security@ubuntuhttp://www.securityfocus.com/bid/50721
- security@ubuntuhttp://www.ubuntu.com/usn/USN-1265-1
- security@ubuntuhttps://exchange.xforce.ibmcloud.com/vulnerabilities/71394
- af854a3a-2127-422b-91ae-364da2661108http://osvdb.org/77214
- af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/46909
- af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/50721
- af854a3a-2127-422b-91ae-364da2661108http://www.ubuntu.com/usn/USN-1265-1
- af854a3a-2127-422b-91ae-364da2661108https://exchange.xforce.ibmcloud.com/vulnerabilities/71394
Patch Availability(1)
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| ubuntu | python-cupshelpers (1.3.6+20110831-0ubuntu9.4) @ oneiric | 2026-05-29 | ubuntu |
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
All Vendor Advisories
(1)
Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.
Data Freshness Timeline
(refreshed 11× in last 7d / 46× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
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Frequently asked(4)
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