CVSS2
Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:A/AC:L/Au:N/C:N/I:N/A:P
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
AI Score
Confidence
High
EPSS
Percentile
26.9%
A Protection Mechanism Failure vulnerability in RPD (routing protocol daemon) of Juniper Networks Junos OS and Junos OS Evolved allows an adjacent unauthenticated attacker to cause established IS-IS adjacencies to go down by sending a spoofed hello PDU leading to a Denial of Service (DoS) condition. Continued receipted of these spoofed PDUs will create a sustained Denial of Service (DoS) condition. This issue affects: Juniper Networks Junos OS All versions prior to 18.2R3-S8; 18.3 versions prior to 18.3R3-S5; 18.4 versions prior to 18.4R3-S9; 19.1 versions prior to 19.1R3-S7; 19.2 versions prior to 19.2R1-S7, 19.2R3-S3; 19.3 versions prior to 19.3R2-S6, 19.3R3-S2; 19.4 versions prior to 19.4R3-S3; 20.1 versions prior to 20.1R3; 20.2 versions prior to 20.2R3; 20.3 versions prior to 20.3R3; 20.4 versions prior to 20.4R2. Juniper Networks Junos OS Evolved All versions prior to 20.4R2-EVO; 21.1 versions prior to 21.1R2-EVO.
Vendor | Product | Version | CPE |
---|---|---|---|
juniper | junos | * | cpe:2.3:o:juniper:junos:*:*:*:*:*:*:*:* |
juniper | junos | 18.2 | cpe:2.3:o:juniper:junos:18.2:-:*:*:*:*:*:* |
juniper | junos | 18.2 | cpe:2.3:o:juniper:junos:18.2:r1:*:*:*:*:*:* |
juniper | junos | 18.2 | cpe:2.3:o:juniper:junos:18.2:r1-s2:*:*:*:*:*:* |
juniper | junos | 18.2 | cpe:2.3:o:juniper:junos:18.2:r1-s3:*:*:*:*:*:* |
juniper | junos | 18.2 | cpe:2.3:o:juniper:junos:18.2:r1-s4:*:*:*:*:*:* |
juniper | junos | 18.2 | cpe:2.3:o:juniper:junos:18.2:r1-s5:*:*:*:*:*:* |
juniper | junos | 18.2 | cpe:2.3:o:juniper:junos:18.2:r2:*:*:*:*:*:* |
juniper | junos | 18.2 | cpe:2.3:o:juniper:junos:18.2:r2-s1:*:*:*:*:*:* |
juniper | junos | 18.2 | cpe:2.3:o:juniper:junos:18.2:r2-s2:*:*:*:*:*:* |
[
{
"product": "Junos OS",
"vendor": "Juniper Networks",
"versions": [
{
"lessThan": "18.2R3-S8",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
},
{
"lessThan": "18.3R3-S5",
"status": "affected",
"version": "18.3",
"versionType": "custom"
},
{
"lessThan": "18.4R3-S9",
"status": "affected",
"version": "18.4",
"versionType": "custom"
},
{
"lessThan": "19.1R3-S7",
"status": "affected",
"version": "19.1",
"versionType": "custom"
},
{
"lessThan": "19.2R1-S7, 19.2R3-S3",
"status": "affected",
"version": "19.2",
"versionType": "custom"
},
{
"lessThan": "19.3R2-S6, 19.3R3-S2",
"status": "affected",
"version": "19.3",
"versionType": "custom"
},
{
"lessThan": "19.4R3-S3",
"status": "affected",
"version": "19.4",
"versionType": "custom"
},
{
"lessThan": "20.1R3",
"status": "affected",
"version": "20.1",
"versionType": "custom"
},
{
"lessThan": "20.2R3",
"status": "affected",
"version": "20.2",
"versionType": "custom"
},
{
"lessThan": "20.3R3",
"status": "affected",
"version": "20.3",
"versionType": "custom"
},
{
"lessThan": "20.4R2",
"status": "affected",
"version": "20.4",
"versionType": "custom"
}
]
},
{
"product": "Junos OS Evolved",
"vendor": "Juniper Networks",
"versions": [
{
"lessThan": "20.4R2-EVO",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
},
{
"lessThan": "21.1R2-EVO",
"status": "affected",
"version": "21.1",
"versionType": "custom"
}
]
}
]
CVSS2
Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:A/AC:L/Au:N/C:N/I:N/A:P
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
AI Score
Confidence
High
EPSS
Percentile
26.9%