ShadowTrackr

Search the CVE vulnerability database

Look up vulnerabilities by software, product or CVE number.

Vulnerability managementShadowTrackr CVSS score
← Back to results

CVE-2020-25719

A flaw was found in the way Samba, as an Active Directory Domain Controller, implemented Kerberos name-based authentication. The Samba AD DC, could become confused about the user a ticket represents if it did not strictly require a Kerberos PAC and always use the SIDs found within. The result could include total domain compromise.
An official patch is available. Apply the patch as soon as possible.
7.2
CVSS
6.6
ShadowTrackr
NO
CISA KEV
-
NCSC.nl
CVSS v4.0 Metrics
Exploitability
Attack VectorNetwork
ComplexityLow
RequirementsPresent
PrivilegesHigh
User InteractionNone
Threat
Exploit MaturityPoC
Vulnerable System
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
Subsequent System
ConfidentialityNone
IntegrityNone
AvailabilityNone
Supplemental
SafetyNegligible
AutomatableYes
RecoveryAutomatic
Value DensityConcentrated
UrgencyMedium
Patch StatusOfficial Patch

Change Log
DateSourceChangesScore
2026-07-21PoCE: U→P4.8 → 6.6
2026-07-21nvdAV: P→N, AC: H→L, UI: A→N, VC: N→H, VI: N→H, VA: N→H0.0 → 4.8
2026-07-21nvdpatch: Unavailable→Official Patch0.0 → 0.0
2026-07-21cve.orginitial, patch: Unavailable0.0
References: CVE.org · NVD · PoC

Affected Software
VendorProductVersion
canonicalubuntu_linux20.04
canonicalubuntu_linux21.04
canonicalubuntu_linux21.10
debiandebian_linux10.0
debiandebian_linux9.0
fedoraprojectfedora33
fedoraprojectfedora34
fedoraprojectfedora35
n/asambasamba 4.15.2, samba 4.14.10, samba 4.13.14
redhatenterprise_linux7.0
redhatenterprise_linux8.0
redhatenterprise_linux_desktop7.0
redhatenterprise_linux_eus8.2
redhatenterprise_linux_eus8.4
redhatenterprise_linux_for_ibm_z_systems7.0
redhatenterprise_linux_for_ibm_z_systems8.0
redhatenterprise_linux_for_ibm_z_systems_eus8.2
redhatenterprise_linux_for_ibm_z_systems_eus8.4
redhatenterprise_linux_for_power_big_endian7.0
redhatenterprise_linux_for_power_little_endian7.0
redhatenterprise_linux_for_power_little_endian8.0
redhatenterprise_linux_for_power_little_endian_eus8.2
redhatenterprise_linux_for_power_little_endian_eus8.4
redhatenterprise_linux_for_scientific_computing7.0
redhatenterprise_linux_server_aus8.2
redhatenterprise_linux_server_aus8.4
redhatenterprise_linux_server_tus8.2
redhatenterprise_linux_server_tus8.4
redhatenterprise_linux_server_update_services_for_sap_solutions8.2
redhatenterprise_linux_server_update_services_for_sap_solutions8.4
redhatenterprise_linux_workstation7.0
sambasamba≥ 4.0.0, < 4.13.14
sambasamba≥ 4.14.0, < 4.14.10
sambasamba≥ 4.15.0, < 4.15.2
Published: 2022-02-18