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CVE-2013-1418

INDEX BUILT · 2026-09-20

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The setup_server_realm function in main.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) before 1.10.7, when multiple realms are…

CVE-2013-14183 of 4 sources documented this
18

rank 18 = 1 + 11 + 0 + 6 + 0

rank@v1 · backlog

Someone is already using it

CISA KEV catalog · public proof-of-concept · FIRST EPSS

EPSS 0.05508  ·  without this subject the record ranks 17

What it costs you if it fires

NVD CVSS base score, then the CNA's own

CVSS 4.3, from NVD  ·  without this subject the record ranks 7

It is getting worse, not staying still

FIRST EPSS series, rescorings and bad loads removed

no persisting rise in 365 days  ·  without this subject the record ranks 18

How much of the world it touches

NVD CPE configurations

6 products in the CPE ranges  ·  without this subject the record ranks 12

Someone else already set the date

CISA KEV remediation due date

no CISA due date  ·  without this subject the record ranks 18

Unaudited dollar value2 of 3 inputs carry a receipt
Exposure$78,700over the next 30 days, if this record is yours
Movement-$166,000on 2024-12-17, the last material move, 1 year, 5 months before this reading
Basisassumeda published average, not your estate

$78,700 = $4.99M incident cost x 0.28625080150224425 exposure x 0.05508 likelihood

udv@v1 · unaudited · wrong for you until you say what you run

$4.99M is the cost of a breach that happened, from IBM Cost of a Data Breach Report 2026, global average. It is not the value of any asset of yours. That average already covers breaches of every severity, so scaling it by exposure understates a partial-impact record. That is an assumption, not a measurement. Your own asset value goes in the decision record.

Hindsight · the state

0.05508EPSSNOT IN KEVas of 2026-09-20
Severity4.3 MEDIUMreceipt
Harmunauthenticated · networkreceipt
Exploitationnone in held sources
Defenseunaffected versions publishedreceipt
Movementscoring model changedreceipt
PLATEAU10Minimal movement since 2025-03-17, 455 days at 0.06, as of 2026-06-15. arc-rules@v1

Foresight · where to check next

No weakness class or product neighbourhood is held for this record, so this index cannot name anywhere to check next. That is an absence in the record, not a finding about the software.

Color is a claim, not decoration:the hostile worldthe defenseno signal

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Harm, if it fires from the vector and the weakness

Written for the ticket you're about to file.

Reachnetwork-reachable · no authenticationreceipt
ImpactPartial availability lossreceipt
Scored fromCVSS v2.0 · NVD's vectorreceipt
Weakness classCWE-476 NULL Pointer Dereferencereceipt
Published consequencesCWE-476: Availability: DoS: Crash, Exit, or Restart; Integrity, Confidentiality: Execute Unauthorized Code or Commands, Read Memory, Modify Memory[email protected]

CISA KEV & Federal Remediation Deadline from the record and CISA

The fix, and how long it's been waiting.

First unaffected version, by branchkerberos 1.10.7receipt
Patch available sinceNo dated patch-availability record in held sources. The index holds reference URLs without dates and only the current revision of the CVE record, so the day a fix first existed cannot be derived. Only the versions it landed in.

Exploit Status & Known PoCs a ladder, not a score

Current rung: Nothing observed in held sources.

  • RUNG 1Nothing observed in held sources
  • RUNG 2Proof-of-concept published
  • RUNG 3Exploited in the wild · CISA KEV listed
  • RUNG 4Ransomware campaign use known

Authority who says so

CVSS, NVD4.3 MEDIUMreceipt
Exploit probability0.05508 · top 8% of all CVEsreceipt
Blast breadth3 products across 3 vendorsderived
Assigned bymitrereceipt
Recorded changes12 · last 19 Sep 2026derived

Affected & Fixed Versions as published

Named in the CPE rangesMit kerberos; Opensuse; Debian linuxreceipt
Published rangesmit kerberos 5 < 1.10.7; debian linux 7.0; opensuse 11.4; opensuse 12.2receipt
Show all 6 published ranges
mit kerberos 5 < 1.10.7
debian linux 7.0
opensuse 11.4
opensuse 12.2
opensuse 12.3
opensuse 13.1

A rung lights from a row in the index, never from an assessment. "Held sources" is the true scope of the claim: this index reads the CVE record, NVD, CISA KEV, FIRST's EPSS and public proof-of-concept repositories, and it does not observe attacks.

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What it is stated by the CNA

The setup_server_realm function in main.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) before 1.10.7, when multiple realms are configured, allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted request. receipt

NVD's analysis a second authority

severity
4.3 AV:N/AC:M/Au:N/C:N/I:N/A:P
weakness
CWE-476
affected versions
mit kerberos 5 < 1.10.7; debian linux 7.0; opensuse 11.4; and 3 more, listed in full below

check it yourself bugzilla.redhat.com lists.opensuse.org lists.debian.org advisories.mageia.org github.com lists.opensuse.org +5 morereceipt

Dated events

2023-03-07EPSS moved 0.02 to 0.952024-12-17EPSS moved 0.94 to 0.822025-03-17EPSS moved 0.82 to 0.05

Movement the material steps

4 Feb 20220.02172
7 Mar 20230.95168 · crossed 0.10 and 0.50 and 0.90 · scoring model v2023.03.01
17 Dec 20240.82032 · crossed 0.90
17 Mar 20250.05268 · crossed 0.10 and 0.50 · scoring model v2025.03.14
15 Jun 20260.05508 · scoring model v2026.06.15
Show all 12 observations
4 Feb 20220.02172
7 Mar 20230.95168
12 May 20230.95088
28 Jun 20230.94448
28 Sep 20230.93632
17 Dec 20240.82032
17 Mar 20250.05268
29 Mar 20250.08208
30 Mar 20250.05268
10 Jun 20250.0586
9 Nov 20250.07674
15 Jun 20260.05508

12 observations held. A highlighted step crossed a promotion threshold. A step marked with a scoring model moved because the instrument was replaced, not because the vulnerability changed. receipt

The full biography

EPSS 0.05508Published2013-11-16Index as of2026-06-15

The record had been public for 12 years, 6 months when this index was last written.

Published 2013-11-16 receipt · Index as of 2026-06-15 derived

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