THREATPORT/VULNERABILITY/CVE-2018-1162
HIGH SEVERITY

CVE-2018-1162

Netvault Backup vulnerability

CVSS
8.1
EPSS
4.9%
EPSS pct
91th
Exploited
No known
This vulnerability allows remote attackers to create a denial-of-service condition on vulnerable installations of Quest NetVault Backup 11.2.0.13. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be easily bypassed. The specific flaw exists within the handling of Export requests. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to arbitrarily overwrite files resulting in a denial-of-service condition. Was ZDI-CAN-4222.
Affected vendor
Quest
Affected product
Netvault Backup
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
Weakness type (CWE)
Published
2018-02-08

Risk analysis

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

Its EPSS score of 4.9% 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-2018-1162

  • Confirm whether Quest Netvault Backup is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2018-1162.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2018-1162

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2018-1162 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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