Is CVE-2018-5730 in the CISA KEV catalog?

No. CVE-2018-5730 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2018-5730?

CVE-2018-5730 has a CVSS v3 base score of 3.8 (LOW).

What is the EPSS score for CVE-2018-5730?

CVE-2018-5730 has an EPSS score of 2.25% (81th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2018-5730?

Upgrade krb5 on debian 11 to 1.16.1-1 or later.

CVE & CISA-KEV Catalog

CVE-2018-5730

LOWEPSS 81th pctl

3.8

CVSS v3

NVD

Description

MIT krb5 1.6 or later allows an authenticated kadmin with permission to add principals to an LDAP Kerberos database to circumvent a DN containership check by supplying both a "linkdn" and "containerdn" database argument, or by supplying a DN string which is a left extension of a container DN string but is not hierarchically within the container DN.

CWE-90

How to fix

Remediation Available

krb5Debian

Fixed in:1.16.1-1CVE-2018-5730

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 RequiredHigh

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityLow

AvailabilityNone

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

Exploit Intelligence

2.25%probability of exploitation in 30 days

81stpercentile

Elevated risk: more likely to be exploited than 81% of all known CVEs.

References

Patch2

Third-Party Advisory8

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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 2025-05-05.