Hardcoded credentials in Fortinet FortiOS

1) Use of Hard-coded Cryptographic Key

EUVDB-ID: #VU22855

Risk: Low

CVSSv4.0: 6.3 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:A/U:Clear]

CVE-ID: CVE-2019-6693

CWE-ID: CWE-321 - Use of Hard-coded Cryptographic Key

Exploit availability: No

Description

The vulnerability allows a remote attacker to decrypt sensitive information.

The vulnerability exists due to presence of a hard-coded cryptographic key. An attacker with access to the backup file can use the hardcoded cryptographic key to decrypt data in the backup file and gain access to sensitive information, such as users passwords and private keys.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

FortiOS: 5.6.0 - 6.2.0

CPE2.3

• cpe:2.3:o:fortinet:fortios:5.6.0:*:*:*:*:*:*:*
• cpe:2.3:o:fortinet:fortios:5.6.1:*:*:*:*:*:*:*
• cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*
• cpe:2.3:o:fortinet:fortios:5.6.3:*:*:*:*:*:*:*
• cpe:2.3:o:fortinet:fortios:5.6.4:*:*:*:*:*:*:*
• cpe:2.3:o:fortinet:fortios:5.6.5:*:*:*:*:*:*:*
• cpe:2.3:o:fortinet:fortios:5.6.6:*:*:*:*:*:*:*
• cpe:2.3:o:fortinet:fortios:5.6.7:*:*:*:*:*:*:*
• cpe:2.3:o:fortinet:fortios:5.6.8:*:*:*:*:*:*:*
• cpe:2.3:o:fortinet:fortios:5.6.9:*:*:*:*:*:*:*

External links

https://fortiguard.com/psirt/FG-IR-19-007

Q & A

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.