How severe is CVE-2018-1162?

CVE-2018-1162 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.

Is CVE-2018-1162 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-1162?

CVE-2018-1162 affects Quest Netvault Backup. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-1162?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2018-1162 published?

CVE-2018-1162 was published on 2018-02-08 and last updated on 2026-06-17.

CVE-2018-1162

CVE-2018-1162 is a high-severity vulnerability in Quest Netvault Backup with a CVSS 3.x base score of 8.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-22.

Key facts

Severity: High (CVSS 3.x base score 8.1)
CVSS v2: 8.5
EPSS exploit prediction: 5% (91st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Quest Netvault Backup
Published: 2018-02-08
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2018-1162?: 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.
How severe is CVE-2018-1162?: CVE-2018-1162 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.
Is CVE-2018-1162 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-1162?: CVE-2018-1162 affects Quest Netvault Backup. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-1162?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2018-1162 published?: CVE-2018-1162 was published on 2018-02-08 and last updated on 2026-06-17.

References

https://zerodayinitiative.com/advisories/ZDI-18-005

Affected products (1)

cpe:2.3:a:quest:netvault_backup:11.2.0.13:*:*:*:*:*:*:*

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