CVE-2011-4559

highpriority · track · 40EPSS 0.013 · 70 %ileexploit · functionalEUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

1 exploit · functional

Likely / severe?

1.31% (70th) EPSS

CVSS 7.5 · high

Is it mine?

17 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-27

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

Technical severity, 0–10. One row per scoring source.

7.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.8–7.5

v2.07.5highAV:N/AC:L/Au:N/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 10 · impact 6.4

v2.06.8mediumAV:N/AC:L/Au:N/C:P/I:P/A:P/E:POCsecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-89USprimary

exploits (1)

Public proof-of-concept and weaponised exploit code.

EDB-36208vTiger CRM 5.2 - 'onlyforuser' SQL Injectionfunctional · exploit_db

affected products (17)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
vtiger vtiger crm≤ 5.2.1nvdUScpe:2.3:a:vtiger:vtiger_crm:*:*:*:*:*:*:*:*
vtiger vtiger crm= 1.0nvdUScpe:2.3:a:vtiger:vtiger_crm:*:*:*:*:*:*:*:*
vtiger vtiger crm= 2.0nvdUScpe:2.3:a:vtiger:vtiger_crm:*:*:*:*:*:*:*:*
vtiger vtiger crm= 2.0.1nvdUScpe:2.3:a:vtiger:vtiger_crm:*:*:*:*:*:*:*:*
vtiger vtiger crm= 2.1nvdUScpe:2.3:a:vtiger:vtiger_crm:*:*:*:*:*:*:*:*
vtiger vtiger crm= 3.0nvdUScpe:2.3:a:vtiger:vtiger_crm:*:*:*:*:*:*:*:*
vtiger vtiger crm= 3.2nvdUScpe:2.3:a:vtiger:vtiger_crm:*:*:*:*:*:*:*:*
vtiger vtiger crm= 4.0nvdUScpe:2.3:a:vtiger:vtiger_crm:*:*:*:*:*:*:*:*
vtiger vtiger crm= 4.0.1nvdUScpe:2.3:a:vtiger:vtiger_crm:*:*:*:*:*:*:*:*
vtiger vtiger crm= 4.2nvdUScpe:2.3:a:vtiger:vtiger_crm:*:*:*:*:*:*:*:*
vtiger vtiger crm= 4.2.4nvdUScpe:2.3:a:vtiger:vtiger_crm:*:*:*:*:*:*:*:*
vtiger vtiger crm= 5.0.2nvdUScpe:2.3:a:vtiger:vtiger_crm:*:*:*:*:*:*:*:*
vtiger vtiger crm= 5.0.3nvdUScpe:2.3:a:vtiger:vtiger_crm:*:*:*:*:*:*:*:*
vtiger vtiger crm= 5.0.4nvdUScpe:2.3:a:vtiger:vtiger_crm:*:*:*:*:*:*:*:*
vtiger vtiger crm= 5.1.0nvdUScpe:2.3:a:vtiger:vtiger_crm:*:*:*:*:*:*:*:*
vtiger vtiger crm= 5.2.0nvdUScpe:2.3:a:vtiger:vtiger_crm:*:*:*:*:*:*:*:*

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2011-11-28modified 2026-06-16

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+23887 more

references (19)

External citations — patches, advisories, analysis.

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