Vulnerability identifier: #VU47690
Vulnerability risk: Medium
CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-799
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
SonicOS
Operating systems & Components /
Operating system
Vendor: SonicWall
Description
The vulnerability allows a remote attacker to perform a brute-force attack.
The vulnerability exists due to usage of predictable Virtual Assist ticket identifiers and lack of anti-automation protection. A remote non-authenticated attacker can brute-force the Virtual Assist ticket ID in the firewall SSLVPN service.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
SonicOS: 5.9 - 7.0
External links
http://psirt.global.sonicwall.com/vuln-detail/SNWLID-2020-0016
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.