CVE-2018-11163

Disk Backup vulnerability

CVSS

7.2

EPSS

4.6%

EPSS pct

91th

Exploited

No known

Quest DR Series Disk Backup software version before 4.0.3.1 allows command injection (issue 21 of 46).

Affected vendor

Quest

Affected product

Disk Backup

CVSS vector

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

Weakness type (CWE)

CWE-78 — OS Command Injection

Published

2018-06-02

Risk analysis

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

Its EPSS score of 4.6% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 91% of all scored CVEs.

Check your external exposure to CVE-2018-11163

Confirm whether Quest Disk Backup is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2018-11163.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2018-11163

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2018-11163 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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