This security advisory describes one medium risk vulnerability.
1) Use of hard-coded credentials
Risk: Medium
CVSSv3.1: 7.7 [CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C] [PCI]
CVE-ID: CVE-2021-20025
CWE-ID: CWE-798 - Use of Hard-coded Credentials
Exploit availability: No
Description
The vulnerability allows a remote attacker to gain full access to vulnerable system.
The vulnerability exists due to presence of hard-coded credentials in application code, a default username and a password are used at initial setup. A remote unauthenticated attacker can access the Virtual Appliance using the default credentials only when the device is freshly installed and not connected to Mysonicwall.
MitigationInstall updates from vendor's website.
Vulnerable software versions
SonicWall On-premise Email Security (ES): before 10.0.10
SonicWall Hosted Email Security (HES): before 10.0.10
CPE
External links
https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0012
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
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