This security bulletin contains one high risk vulnerability.
Exploit availability: NoDescription
The vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists due to a race condition within the REST API implementation in the Landing module, installed by default by the Bitrix Site Manager. A remote non-authenticated attacker can send a specially crafted HTTP request to the affected website and execute arbitrary OS commands on the system.
Install updates from vendor's website.Vulnerable software versions
Landing: 18.0.0 - 23.800.0CPE2.3
Q & A
Can this vulnerability be exploited remotely?
Is there known malware, which exploits this vulnerability?