Is CVE-2018-16466 in the CISA KEV catalog?

No. CVE-2018-16466 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2018-16466?

CVE-2018-16466 has a CVSS v3 base score of 8.1 (HIGH).

What is the EPSS score for CVE-2018-16466?

CVE-2018-16466 has an EPSS score of 0.96% (57th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2018-16466?

Upgrade nextcloud server to 13.0.6 or later.

CVE & CISA-KEV Catalog

CVE-2018-16466

HIGH

8.1

CVSS v3

NVD

Description

Improper revalidation of permissions in Nextcloud Server prior to 14.0.0, 13.0.6 and 12.0.11 lead to not accepting access restrictions by acess tokens.

CWE-284Improper Access Control CWE-273

How to fix

Remediation Available

nextcloud serverNVD

Affected:>= 13.0.0, < 13.0.6Fixed in:13.0.6CVE-2018-16466derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityNone

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

Exploit Intelligence

0.96%probability of exploitation in 30 days

57thpercentile

Moderate risk: more likely to be exploited than 57% of all known CVEs.

References

Vendor Advisory1

nextcloud.com

Third-Party Advisory1

hackerone.com

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.