THREATPORT/VULNERABILITY/CVE-2019-14844
HIGH SEVERITY

CVE-2019-14844

Kerberos 5 vulnerability

CVSS
7.5
EPSS
4.4%
EPSS pct
90th
Exploited
No known
A flaw was found in, Fedora versions of krb5 from 1.16.1 to, including 1.17.x, in the way a Kerberos client could crash the KDC by sending one of the RFC 4556 "enctypes". A remote unauthenticated user could use this flaw to crash the KDC.
Affected vendor
Mit
Affected product
Kerberos 5
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness type (CWE)
Published
2019-09-26

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to availability.

Its EPSS score of 4.4% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 90% of all scored CVEs.

Check your external exposure to CVE-2019-14844

  • Confirm whether Mit Kerberos 5 is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2019-14844.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2019-14844

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2019-14844 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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