CVE-2018-11509

Asustor Data Master vulnerability

CVSS

9.8

EPSS

12.6%

EPSS pct

96th

Exploited

No known

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 vendor

Asustor

Affected product

Asustor Data Master

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness type (CWE)

CWE-798 — Use of Hard-coded Credentials

Published

2018-08-16

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 12.6% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 96% of all scored CVEs.

Check your external exposure to CVE-2018-11509

Confirm whether Asustor Asustor Data Master is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2018-11509.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2018-11509

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2018-11509 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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