Vulnerability identifier: #VU20480

Vulnerability risk: Medium

CVSSv3.1: 6.7 [CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C]

CVE-ID: CVE-2019-7666

CWE-ID: CWE-287

Exploitation vector: Network

Exploit availability: Yes

Vulnerable software:
FlexAir
Server applications / SCADA systems

Vendor: Prima Systems

Description

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to the application allows improper authentication with the MD5 hash value of the password. A remote authenticated attacker can authenticate to the application without knowing the password of a specific username if previously obtained the database with all the MD5 hash passwords.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

FlexAir: 2.3.38

---

External links
http://applied-risk.com/labs/advisories
http://www.applied-risk.com/resources/ar-2019-007

---

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.