CVE-2011-4559
SQL injection vulnerability in the Calendar module in vTiger CRM 5.2.1 and earlier allows remote...
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.
Exploit likelihood
What each source reports
NVD Score used
7.5
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.
- Record
CVE-2011-4559- CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-89
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2011-4559- Updated
- 2026-11-02
EUVDEUVD-2011-4485 No score
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.
- Record
EUVD-2011-4485- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-jm2m-m6gc-v7qv No score
SQL injection vulnerability in the Calendar module in vTiger CRM 5.2.1 and earlier allows remote...
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.
- Record
GHSA-jm2m-m6gc-v7qv- Weakness
- CWE-89
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | vTiger CRM 5.2 - 'onlyforuser' SQL Injection | 2011-10-15 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2011-4559 is a high vulnerability (CVSS 7.5) in Vtiger Crm, published November 28, 2011. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 1.31%, the 70th percentile. No source names a fixed version.
References
securityfocus.com/archive/1/520006/100/0/threaded
seclists.org/fulldisclosure/2011/Oct/224
securityfocus.com/bid/49948
yehg.net/lab/pr0js/advisories/%5BvTiger_5.2.1%5D_blind_sqlin
osvdb.org/76138
exchange.xforce.ibmcloud.com/vulnerabilities/70344
nvd.nist.gov/vuln/detail/CVE-2011-4559
github.com/advisories/GHSA-jm2m-m6gc-v7qv