Improper Authentication in Fujitsu Eternus Storage DX200 S4

1) Improper Authentication

EUVDB-ID: #VU48727

Risk: High

CVSSv3.1: 9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:U/RC:C]

CVE-ID: CVE-2020-29127

CWE-ID: CWE-287 - Improper Authentication

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to an error in when root user has logged into the web portal. A remote attacker can bypass authentication process and gain access to the web portal with root privileges.

Mitigation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

Eternus Storage DX200 S4: 2020-11-25

External links

http://packetstormsecurity.com/files/160255/Fujitsu-Eternus-Storage-DX200-S4-Broken-Authentication.html
http://cxsecurity.com/issue/WLB-2020110215
http://seccops.com/fujitsu-eternus-storage-dx200-s4-broken-authentication/
http://www.first.org/members/teams/fujitsu_psirt

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?

No. We are not aware of malware exploiting this vulnerability.