CVSS3
Attack Vector
ADJACENT
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
NONE
Integrity Impact
LOW
Availability Impact
LOW
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:L
AI Score
Confidence
High
EPSS
Percentile
12.7%
An Origin Validation vulnerability in MAC address validation of Juniper Networks Junos OS Evolved on PTX10001, PTX10004, PTX10008, and PTX10016 devices allows a network-adjacent attacker to bypass MAC address checking, allowing MAC addresses not intended to reach the adjacent LAN to be forwarded to the downstream network. Due to this issue, the router will start forwarding traffic if a valid route is present in forwarding-table, causing a loop and congestion in the downstream layer-2 domain connected to the device.
This issue affects Juniper Networks Junos OS Evolved on PTX10001, PTX10004, PTX10008, and PTX10016:
Vendor | Product | Version | CPE |
---|---|---|---|
juniper | junos_os_evolved | * | cpe:2.3:o:juniper:junos_os_evolved:*:*:*:*:*:*:*:* |
juniper | junos_os_evolved | 21.4 | cpe:2.3:o:juniper:junos_os_evolved:21.4:-:*:*:*:*:*:* |
juniper | junos_os_evolved | 21.4 | cpe:2.3:o:juniper:junos_os_evolved:21.4:r1:*:*:*:*:*:* |
juniper | junos_os_evolved | 21.4 | cpe:2.3:o:juniper:junos_os_evolved:21.4:r1-s1:*:*:*:*:*:* |
juniper | junos_os_evolved | 21.4 | cpe:2.3:o:juniper:junos_os_evolved:21.4:r1-s2:*:*:*:*:*:* |
juniper | junos_os_evolved | 21.4 | cpe:2.3:o:juniper:junos_os_evolved:21.4:r2:*:*:*:*:*:* |
juniper | junos_os_evolved | 21.4 | cpe:2.3:o:juniper:junos_os_evolved:21.4:r2-s1:*:*:*:*:*:* |
juniper | junos_os_evolved | 21.4 | cpe:2.3:o:juniper:junos_os_evolved:21.4:r2-s2:*:*:*:*:*:* |
juniper | junos_os_evolved | 21.4 | cpe:2.3:o:juniper:junos_os_evolved:21.4:r3:*:*:*:*:*:* |
juniper | junos_os_evolved | 21.4 | cpe:2.3:o:juniper:junos_os_evolved:21.4:r3-s1:*:*:*:*:*:* |
[
{
"defaultStatus": "unaffected",
"platforms": [
"PTX10001",
"PTX10004",
"PTX10008",
"PTX10016"
],
"product": "Junos OS Evolved",
"vendor": "Juniper Networks",
"versions": [
{
"lessThan": "21.4R3-S5-EVO",
"status": "affected",
"version": "0",
"versionType": "semver"
},
{
"lessThan": "22.1R3-S4-EVO",
"status": "affected",
"version": "22.1",
"versionType": "semver"
},
{
"lessThan": "22.2*-EVO",
"status": "affected",
"version": "22.2R1-EVO",
"versionType": "semver"
},
{
"lessThan": "22.3R2-S2-EVO, 22.3R3-S1-EVO",
"status": "affected",
"version": "22.3",
"versionType": "semver"
},
{
"lessThan": "22.4R2-S1-EVO, 22.4R3-EVO",
"status": "affected",
"version": "22.4",
"versionType": "semver"
},
{
"lessThan": "23.2R1-S1-EVO, 23.2R2-EVO",
"status": "affected",
"version": "23.2",
"versionType": "semver"
}
]
}
]