7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
0.033 Low
EPSS
Percentile
91.1%
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.
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Debian | 11 | all | ntp | <Β 1:4.2.8p14+dfsg-1 | ntp_1:4.2.8p14+dfsg-1_all.deb |
Debian | 10 | all | ntp | <=Β 1:4.2.8p12+dfsg-4 | ntp_1:4.2.8p12+dfsg-4_all.deb |
Debian | 12 | all | ntpsec | <Β 1.2.2+dfsg1-1+deb12u1 | ntpsec_1.2.2+dfsg1-1+deb12u1_all.deb |
Debian | 11 | all | ntpsec | <Β 1.2.0+dfsg1-4 | ntpsec_1.2.0+dfsg1-4_all.deb |
Debian | 10 | all | ntpsec | <Β 1.1.3+dfsg1-2+deb10u1 | ntpsec_1.1.3+dfsg1-2+deb10u1_all.deb |
Debian | 999 | all | ntpsec | <Β 1.2.3+dfsg1-1 | ntpsec_1.2.3+dfsg1-1_all.deb |
Debian | 13 | all | ntpsec | <Β 1.2.2+dfsg1-4 | ntpsec_1.2.2+dfsg1-4_all.deb |
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
0.033 Low
EPSS
Percentile
91.1%