CVE-2018-16860

mediumpriority · track · 31EPSS 0.025 · 85 %ileEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

2.49% (85th) EPSS

CVSS 6 · medium

Is it mine?

11 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

EPSS · scored 2026-10-28

A flaw was found in samba's Heimdal KDC implementation, versions 4.8.x up to, excluding 4.8.12, 4.9.x up to, excluding 4.9.8 and 4.10.x up to, excluding 4.10.3, when used in AD DC mode. A man in the middle attacker could use this flaw to intercept the request to the KDC and replace the user name (principal) in the request with any desired user name (principal) that exists in the KDC effectively obtaining a ticket for that principal.

cvss

Technical severity, 0–10. One row per scoring source.

7.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6–7.5

v2.06mediumAV:N/AC:M/Au:S/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 6.8 · impact 6.4

v3.07.5highCVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 1.6 · impact 5.9

v3.07.5highCVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · ENISA EU

v3.07.5highCVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · secalert@redhat.com USexploitability 1.6 · impact 5.9

v3.06.9mediumCVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

v3.17.5highAV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-358USprimaryCWE-358US

affected products (11)

Products and version ranges known to be affected.

Samba Samba≤ 4.9.x up to, excluding 4.9.8enisa_euvdEU
Samba Samba≤ 4.10.x up to, excluding 4.10.3enisa_euvdEU
Samba Samba≤ 4.8.x up to, excluding 4.8.12enisa_euvdEU
Samba Team Samba≤ 4.0fstec_bduRU
АО «НТЦ ИТ РОСА» ROSA Virtualization≤ 2.1fstec_bduRU
ООО «РусБИТех-Астра» Astra Linux Special Edition≤ 1.6 «Смоленск»fstec_bduRU
Сообщество свободного программного обеспечения Heimdal0.8 → 7.5.0fstec_bduRU
heimdal project heimdal0.8 → 7.5.0nvdUScpe:2.3:a:heimdal_project:heimdal:*:*:*:*:*:*:*:*
samba samba4.10.0 → 4.10.3nvdUScpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*
samba samba4.8.0 → 4.8.12nvdUScpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*
samba samba4.9.0 → 4.9.8nvdUScpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu nvd NVD CVE.org MITRE

published 2019-07-31modified 2026-06-17

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+388 more

references (56)

External citations — patches, advisories, analysis.

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