CVE-2018-11509

published 2018-08-16

CVE-2018-11509: ASUSTOR ADM 3.1.0.RFQ3 uses the same default root:admin username and password as it does for the NAS itself for applications that are installed from the online…

Priority P2 69 critical 9.8 CVSS 3.0

AV N AC L PR N UI N S U C H I H A H

EXPLOIT

ASUSTOR ADM 3.1.0.RFQ3 uses the same default root:admin username and password as it does for the NAS itself for applications that are installed from the online repository. This may allow an attacker to login and upload a webshell.

Affected

1 ranges

Vendor	Product	Version range	Fixed in
asustor	asustor_data_master	—	—

Detection & IOCs extracted from sources · hover to see the quote

url http://<host>/phpmyadmin/↗

url http://<host>:8001/portal/↗

path /volume1/Web/↗

• → Alert on webshell uploads to /volume1/Web/ on ASUSTOR NAS devices, which is the publicly accessible web root used by add-on applications. ↗
• → Detect logins to the NAS admin portal on port 8001 using the default account nvradmin, which provides a foothold even without full admin permissions. ↗

• · CVE-2018-11509 affects ASUSTOR ADM 3.1.0.RFQ3 and all previous builds. The default credentials vulnerability stems from add-on applications (phpmyadmin, virtualbox, owncloud, photo-gallery, etc.) never prompting users to change default passwords during NAS initialization. ↗

CVSS provenance

nvd v3.0 9.8 CRITICAL CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

nvd v2.0 7.5 HIGH AV:N/AC:L/Au:N/C:P/I:P/A:P

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