title: Bitrix24 Remote Command Execution (RCE) via Insecure Temporary File Creation
description: Insecure temporary file creation in bitrix/modules/crm/lib/order/import/instagram.php in Bitrix24 22.0.300 hosted on Apache HTTP Server allows remote authenticated attackers to execute arbitrary code via uploading a crafted ".htaccess" file.
problem types: CWE-434 Unrestricted Upload of File with Dangerous Type
affected:
{
defaultStatus: unaffected
product: Bitrix24
programFiles: file:bitrix/components/bitrix/crm.order.import.instagram.view/class.php
vendor: Bitrix24
versions:
lessThanOrEqual: 22.0.300, status: affected, version: 0, versionType: custom
}
metrics:
cvssV3_1: [
attackComplexity: LOW
attackVector: NETWORK
availabilityImpact: HIGH
baseScore: 8.8
baseSeverity: HIGH
confidentialityImpact: HIGH
integrityImpact: HIGH
privilegesRequired: LOW
scope: UNCHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
version: 3.1
]
format: CVSS
scenarios: GENERAL