How severe is CVE-2018-1141?

CVE-2018-1141 has a CVSS 3.x base score of 7.0, rated high severity. It is exploitable over local access with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-1141 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-1141?

CVE-2018-1141 affects Tenable Nessus. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-1141?

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-2018-1141 published?

CVE-2018-1141 was published on 2018-03-20 and last updated on 2026-06-17.

CVE-2018-1141

CVE-2018-1141 is a high-severity vulnerability in Tenable Nessus with a CVSS 3.x base score of 7.0. 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-732.

Key facts

Severity: High (CVSS 3.x base score 7.0)
CVSS v2: 4.4
EPSS exploit prediction: 0% (16th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-732
Affected product: Tenable Nessus
Published: 2018-03-20
Last modified: 2026-06-17

Description

When installing Nessus to a directory outside of the default location, Nessus versions prior to 7.0.3 did not enforce secure permissions for sub-directories. This could allow for local privilege escalation if users had not secured the directories in the installation location.

Frequently asked questions

What is CVE-2018-1141?: When installing Nessus to a directory outside of the default location, Nessus versions prior to 7.0.3 did not enforce secure permissions for sub-directories. This could allow for local privilege escalation if users had not secured the directories in the installation location.
How severe is CVE-2018-1141?: CVE-2018-1141 has a CVSS 3.x base score of 7.0, rated high severity. It is exploitable over local access with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-1141 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-1141?: CVE-2018-1141 affects Tenable Nessus. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-1141?: 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-2018-1141 published?: CVE-2018-1141 was published on 2018-03-20 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:tenable:nessus:*:*:*:*:*:*:*:*

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