Denial of Service Vulnerability in Samba NBT Server
CVE-2020-14303

7.5HIGH

Key Information:

Vendor

Samba

Status
Samba
Vendor
CVE Published:
6 July 2020
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What is CVE-2020-14303?

A vulnerability exists in the Samba AD DC NBT server that permits a malicious user to crash the Samba server by sending an empty UDP packet. This flaw affects all versions of Samba prior to 4.10.17, 4.11.11, and 4.12.4, potentially leading to disruption of service in network environments.

Affected Version(s)

Samba All Samba versions before 4.10.17, before 4.11.11 and before 4.12.4

References

https://bugzilla.redhat.com/show_bug.cgi?id=1851298%3B
x_refsource_MISC
https://www.samba.org/samba/security/CVE-2020-14303.html
x_refsource_MISC
https://security.netapp.com/advisory/ntap-20200709-0003/
x_refsource_CONFIRM

EPSS Score

18% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.