When was CVE-2011-4559 disclosed?

CVE-2011-4559 was first published in the National Vulnerability Database on November 28, 2011, with the most recent update on April 29, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2011-4559 actively exploited?

CVE-2011-4559 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 77.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2011-4559?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2011-4559, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

CVE-2011-4559

NONENVD 0.0

0.0

SQL injection vulnerability in the Calendar module in vTiger CRM 5.2.1 and earlier allows remote attackers to execute arbitrary SQL commands via the onlyforuser parameter in an index action to index.php.

CVSS v3: —
EG Score: —
EPSS: 77.6%
KEV: Not listed

References (12)

cve@mitrehttp://osvdb.org/76138
cve@mitrehttp://seclists.org/fulldisclosure/2011/Oct/224
cve@mitrehttp://www.securityfocus.com/archive/1/520006/100/0/threaded
cve@mitrehttp://www.securityfocus.com/bid/49948
cve@mitrehttp://yehg.net/lab/pr0js/advisories/%5BvTiger_5.2.1%5D_blind_sqlin
cve@mitrehttps://exchange.xforce.ibmcloud.com/vulnerabilities/70344
af854a3a-2127-422b-91ae-364da2661108http://osvdb.org/76138
af854a3a-2127-422b-91ae-364da2661108http://seclists.org/fulldisclosure/2011/Oct/224
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/archive/1/520006/100/0/threaded
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/49948
af854a3a-2127-422b-91ae-364da2661108http://yehg.net/lab/pr0js/advisories/%5BvTiger_5.2.1%5D_blind_sqlin
af854a3a-2127-422b-91ae-364da2661108https://exchange.xforce.ibmcloud.com/vulnerabilities/70344

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CVE-2011-4559

Published

Last Modified

References (12)

Frequently asked(4)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2011-4559?

CVE-2011-4559

📅 Published

🔄 Last Modified

🔗 References (12)

❓ Frequently asked(4)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2011-4559?

Published

Last Modified

References (12)

Frequently asked(4)