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CVE-2020-11868

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CVE-2020-11868

Published: Apr 17, 2020

Modified: May 5, 2025

PUBLISHED

CVSS v3.0

5.9

MEDIUM

Description

ntpd in ntp before 4.2.8p14 and 4.3.x before 4.3.100 allows an off-path attacker to block unauthenticated synchronization via a server mode packet with a spoofed source IP address, because transmissions are rescheduled even when a packet lacks a valid origin timestamp.

VendorProductVersions

n/a

n/a

affected
n/a

CVSS v3.0 Details

CVSS v3.0 Vector

CVSS:3.0/AC:H/AV:N/A:H/C:N/I:N/PR:N/S:U/UI:N

Attack Complexity

High

Attack Vector

Network

Availability

High

Confidentiality

None

Integrity

None

Privileges Required

None

Scope

Unchanged

User Interaction

None

References

openSUSE-SU-2020:0934
vendor-advisory
x_refsource_SUSE
openSUSE-SU-2020:1007
vendor-advisory
x_refsource_SUSE
GLSA-202007-12
vendor-advisory
x_refsource_GENTOO

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