HIGH
CVE-2019-14844
CWE-628Published: September 26, 2019· Updated: Jun 17, 2026
7.5
CVSS v3.1
Official Description
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.
Technical Analysis
CVE-2019-14844 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
A successful exploit results in availability disruption (denial of service), with a CVSS base score of 7.5.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Vendors & Products
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
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Official Patches & Advisories
All References (12)
→
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14844Issue Tracking · Patch · Third Party Advisory
→
https://github.com/krb5/krb5/pull/981Patch · Third Party Advisory
→
https://security.netapp.com/advisory/ntap-20220325-0003/Third Party Advisory
→
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14844Issue Tracking · Patch · Third Party Advisory
→
https://github.com/krb5/krb5/pull/981Patch · Third Party Advisory
→
https://security.netapp.com/advisory/ntap-20220325-0003/Third Party Advisory
Quick Facts
CVE IDCVE-2019-14844
CVSS Score7.5 / 10
SeverityHIGH
WeaknessCWE-628
CISA KEVNo
Affected2 vendor(s)
PublishedSep 26, 2019
Related CVEs (CWE-628)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2019-14844 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.