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
12.7%
An Improper Check or Handling of Exceptional Conditions vulnerability in the Packet Forwarding Engine (pfe) of Juniper Networks Junos OS on QFX5000 Series, EX2300, EX3400, EX4100, EX4400 and EX4600 allows a adjacent attacker to send specific traffic, which leads to packet flooding, resulting in a Denial of Service (DoS).
When a specific IGMP packet is received in an isolated VLAN, it is duplicated to all other ports under the primary VLAN, which causes a flood.
This issue affects QFX5000 series, EX2300, EX3400, EX4100, EX4400 and EX4600 platforms only.
This issue affects Juniper Junos OS on on QFX5000 Series, EX2300, EX3400, EX4100, EX4400 and EX4600:
Vendor | Product | Version | CPE |
---|---|---|---|
juniper | junos | * | cpe:2.3:o:juniper:junos:*:*:*:*:*:*:*:* |
juniper | junos | 20.4 | cpe:2.3:o:juniper:junos:20.4:-:*:*:*:*:*:* |
juniper | junos | 20.4 | cpe:2.3:o:juniper:junos:20.4:r1:*:*:*:*:*:* |
juniper | junos | 20.4 | cpe:2.3:o:juniper:junos:20.4:r1-s1:*:*:*:*:*:* |
juniper | junos | 20.4 | cpe:2.3:o:juniper:junos:20.4:r2:*:*:*:*:*:* |
juniper | junos | 20.4 | cpe:2.3:o:juniper:junos:20.4:r2-s1:*:*:*:*:*:* |
juniper | junos | 20.4 | cpe:2.3:o:juniper:junos:20.4:r2-s2:*:*:*:*:*:* |
juniper | junos | 20.4 | cpe:2.3:o:juniper:junos:20.4:r3:*:*:*:*:*:* |
juniper | junos | 20.4 | cpe:2.3:o:juniper:junos:20.4:r3-s1:*:*:*:*:*:* |
juniper | junos | 20.4 | cpe:2.3:o:juniper:junos:20.4:r3-s2:*:*:*:*:*:* |
[
{
"defaultStatus": "unaffected",
"platforms": [
"QFX5000 Series",
"EX2300",
"EX3400",
"EX4100",
"EX4400",
"EX4600"
],
"product": "Junos OS",
"vendor": "Juniper Networks",
"versions": [
{
"lessThan": "20.4R3-S5",
"status": "affected",
"version": "0",
"versionType": "semver"
},
{
"lessThan": "21.1R3-S4",
"status": "affected",
"version": "21.1",
"versionType": "semver"
},
{
"lessThan": "21.2R3-S3",
"status": "affected",
"version": "21.2",
"versionType": "semver"
},
{
"lessThan": "21.3R3-S5",
"status": "affected",
"version": "21.3",
"versionType": "semver"
},
{
"lessThan": "21.4R3-S2",
"status": "affected",
"version": "21.4",
"versionType": "semver"
},
{
"lessThan": "22.1R3",
"status": "affected",
"version": "22.1",
"versionType": "semver"
},
{
"lessThan": "22.2R3",
"status": "affected",
"version": "22.2",
"versionType": "semver"
},
{
"lessThan": "22.3R2",
"status": "affected",
"version": "22.3",
"versionType": "semver"
}
]
}
]