Vulnerability identifier: #VU27109
Vulnerability risk: High
CVSSv3.1: 9.1 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-502
Exploitation vector: Network
Exploit availability: Yes
Vulnerable software:
ONE Agent
Web applications /
CMS
Vendor: Veeam
Description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists in Veeam ONE Agent components residing on Veeam ONE and Veeam Backup & Replication servers due to insecure input validation when processing serialized data within the "HandshakeResult" method. A remote attacker can pass specially crafted data to the application and execute arbitrary code 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
ONE Agent: All versions
External links
http://www.zerodayinitiative.com/advisories/ZDI-20-546/
http://www.veeam.com/kb3144
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?
No. We are not aware of malware exploiting this vulnerability. However, a fully functional exploit for this vulnerability is available.