Is CVE-2021-36363 in the CISA KEV catalog?

No. CVE-2021-36363 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-36363?

CVE-2021-36363 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2021-36363?

CVE-2021-36363 has an EPSS score of 3.67% (88th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-36363?

Upgrade nagios xi to 5.8.5 or later.

CVE & CISA-KEV Catalog

CVE-2021-36363

CRITICALEPSS 88th pctl

9.8

CVSS v3

NVD

Description

Nagios XI before 5.8.5 has Incorrect Permission Assignment for migrate.php.

CWE-276

How to fix

Remediation Available

nagios xiNVD

Affected:< 5.8.5Fixed in:5.8.5CVE-2021-36363derived 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 RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

3.67%probability of exploitation in 30 days

88thpercentile

Elevated risk: more likely to be exploited than 88% of all known CVEs.

References

Vendor Advisory2

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Markdown

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HTML

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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.