#VU22855 Use of Hard-coded Cryptographic Key in FortiOS - CVE-2019-6693

Vulnerability identifier: #VU22855

Vulnerability 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

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
FortiOS
Operating systems & Components / Operating system

Vendor: Fortinet, Inc

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, 5.6.1, 5.6.2, 5.6.3, 5.6.4, 5.6.5, 5.6.6, 5.6.7, 5.6.8, 5.6.9, 5.6.10, 6.0.0, 6.0.1, 6.0.2, 6.0.3, 6.0.4, 6.0.5, 6.0.6, 6.2.0

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

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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.