Vulnerability identifier: #VU50787
Vulnerability risk: High
CVSSv3.1: 9.4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:H/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-78
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Accellion FTA
Server applications /
File servers (FTP/HTTP)
Vendor: Accellion
Description
The vulnerability allows a remote attacker to execute arbitrary shell commands on the target system.
The vulnerability exists due to improper input validation in the local web service call. A remote unauthenticated attacker can pass specially crafted data to the application and execute arbitrary OS commands on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Accellion FTA: 9_12_411
External links
http://github.com/accellion/CVEs/blob/main/CVE-2021-27102.txt
http://www.accellion.com/products/fta/
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
Yes. This vulnerability is being exploited in the wild.