CVSS2
Attack Vector
ADJACENT_NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:A/AC:M/Au:N/C:N/I:N/A:C
CVSS3
Attack Vector
ADJACENT
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
Percentile
25.0%
In a Segment Routing ISIS (SR-ISIS)/MPLS environment, on Juniper Networks Junos OS and Junos OS Evolved devices, configured with ISIS Flexible Algorithm for Segment Routing and sensor-based statistics, a flap of a ISIS link in the network, can lead to a routing process daemon (RPD) crash and restart, causing a Denial of Service (DoS). Continued link flaps will create a sustained Denial of Service (DoS) condition. This issue affects: Juniper Networks Junos OS: 19.4 versions prior to 19.4R1-S4, 19.4R3-S2; 20.1 versions prior to 20.1R2-S1, 20.1R3; 20.2 versions prior to 20.2R2-S2, 20.2R3; 20.3 versions prior to 20.3R2; Juniper Networks Junos OS Evolved: 20.3-EVO versions prior to 20.3R2-EVO; 20.4-EVO versions prior to 20.4R2-EVO. This issue does not affect: Juniper Networks Junos OS releases prior to 19.4R1. Juniper Networks Junos OS Evolved releases prior to 19.4R1-EVO.
Vendor | Product | Version | CPE |
---|---|---|---|
juniper | junos | 19.4 | cpe:2.3:o:juniper:junos:19.4:r1:*:*:*:*:*:* |
juniper | junos | 19.4 | cpe:2.3:o:juniper:junos:19.4:r1-s1:*:*:*:*:*:* |
juniper | junos | 19.4 | cpe:2.3:o:juniper:junos:19.4:r1-s2:*:*:*:*:*:* |
juniper | junos | 19.4 | cpe:2.3:o:juniper:junos:19.4:r1-s3:*:*:*:*:*:* |
juniper | junos | 19.4 | cpe:2.3:o:juniper:junos:19.4:r2:*:*:*:*:*:* |
juniper | junos | 19.4 | cpe:2.3:o:juniper:junos:19.4:r2-s1:*:*:*:*:*:* |
juniper | junos | 19.4 | cpe:2.3:o:juniper:junos:19.4:r2-s2:*:*:*:*:*:* |
juniper | junos | 19.4 | cpe:2.3:o:juniper:junos:19.4:r2-s3:*:*:*:*:*:* |
juniper | junos | 19.4 | cpe:2.3:o:juniper:junos:19.4:r3:*:*:*:*:*:* |
juniper | junos | 19.4 | cpe:2.3:o:juniper:junos:19.4:r3-s1:*:*:*:*:*:* |
[
{
"product": "Junos OS",
"vendor": "Juniper Networks",
"versions": [
{
"lessThan": "19.4R1",
"status": "unaffected",
"version": "unspecified",
"versionType": "custom"
},
{
"changes": [
{
"at": "19.4R1-S4, 19.4R3-S2",
"status": "unaffected"
}
],
"lessThan": "19.4*",
"status": "affected",
"version": "19.4R1",
"versionType": "custom"
},
{
"lessThan": "20.1R2-S1, 20.1R3",
"status": "affected",
"version": "20.1",
"versionType": "custom"
},
{
"lessThan": "20.2R2-S2, 20.2R3",
"status": "affected",
"version": "20.2",
"versionType": "custom"
},
{
"lessThan": "20.3R2",
"status": "affected",
"version": "20.3",
"versionType": "custom"
}
]
},
{
"product": "Junos OS Evolved",
"vendor": "Juniper Networks",
"versions": [
{
"lessThan": "19.4R1-EVO",
"status": "unaffected",
"version": "unspecified",
"versionType": "custom"
},
{
"lessThan": "19.4*",
"status": "affected",
"version": "19.4R1-EVO",
"versionType": "custom"
},
{
"lessThan": "20.1*",
"status": "affected",
"version": "20.1R1-EVO",
"versionType": "custom"
},
{
"lessThan": "20.2*",
"status": "affected",
"version": "20.2R1-EVO",
"versionType": "custom"
},
{
"lessThan": "20.3R2-EVO",
"status": "affected",
"version": "20.3",
"versionType": "custom"
},
{
"lessThan": "20.4R2-EVO",
"status": "affected",
"version": "20.4",
"versionType": "custom"
}
]
}
]
More
CVSS2
Attack Vector
ADJACENT_NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:A/AC:M/Au:N/C:N/I:N/A:C
CVSS3
Attack Vector
ADJACENT
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
Percentile
25.0%