CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
LOW
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
EPSS
Percentile
20.5%
A Heap-based Buffer Overflow vulnerability in the Routing Protocol Daemon (RPD) of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, network based attacker to cause a Denial of Service (DoS).
If an attacker sends a specific BGP UPDATE message to the device, this will cause a memory overwrite and therefore an RPD crash and restart in the backup Routing Engine (RE). Continued receipt of these packets will cause a sustained Denial of Service (DoS) condition in the backup RE.
The primary RE is not impacted by this issue and there is no impact on traffic.
This issue only affects devices with NSR enabled.
Note: NSR is not supported on the SRX Series and is therefore not affected by this vulnerability.
This issue requires an attacker to have an established BGP session to a system affected by the issue. This issue affects both eBGP and iBGP implementations.
This issue affects:
Juniper Networks Junos OS
Juniper Networks Junos OS Evolved
Vendor | Product | Version | CPE |
---|---|---|---|
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:*:*:*:*:*:* |
juniper | junos | 20.4 | cpe:2.3:o:juniper:junos:20.4:r3-s3:*:*:*:*:*:* |
[
{
"defaultStatus": "unaffected",
"platforms": [
"MX Series",
"PTX Series",
"ACX Series",
"EX Series",
"QFX Series"
],
"product": "Junos OS",
"vendor": "Juniper Networks",
"versions": [
{
"lessThan": "20.4R3-S9",
"status": "affected",
"version": "0",
"versionType": "semver"
},
{
"lessThan": "21.2R3-S7",
"status": "affected",
"version": "21.2",
"versionType": "semver"
},
{
"lessThan": "21.3R3-S5",
"status": "affected",
"version": "21.3",
"versionType": "semver"
},
{
"lessThan": "21.4R3-S5",
"status": "affected",
"version": "21.4",
"versionType": "semver"
},
{
"lessThan": "22.1R3-S4",
"status": "affected",
"version": "22.1",
"versionType": "semver"
},
{
"lessThan": "22.2R3-S2",
"status": "affected",
"version": "22.2",
"versionType": "semver"
},
{
"lessThan": "22.3R3-S1",
"status": "affected",
"version": "22.3",
"versionType": "semver"
},
{
"lessThan": "22.4R2-S2, 22.4R3",
"status": "affected",
"version": "22.4",
"versionType": "semver"
},
{
"lessThan": "23.1R2",
"status": "affected",
"version": "23.1",
"versionType": "semver"
},
{
"lessThan": "23.2R1-S2, 23.2R2",
"status": "affected",
"version": "23.2",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"platforms": [
"PTX Series",
"ACX Series",
"QFX Series"
],
"product": "Junos OS Evolved",
"vendor": "Juniper Networks",
"versions": [
{
"lessThan": "21.3R3-S5-EVO",
"status": "affected",
"version": "0",
"versionType": "semver"
},
{
"lessThan": "21.4R3-S5-EVO",
"status": "affected",
"version": "21.4-EVO",
"versionType": "semver"
},
{
"lessThan": "22.1R3-S4-EVO",
"status": "affected",
"version": "22.1-EVO",
"versionType": "semver"
},
{
"lessThan": "22.2R3-S2-EVO",
"status": "affected",
"version": "22.2-EVO",
"versionType": "semver"
},
{
"lessThan": "22.4R2-S2-EVO, 22.4R3-EVO",
"status": "affected",
"version": "22.4-EVO",
"versionType": "semver"
},
{
"lessThan": "23.1R2-EVO",
"status": "affected",
"version": "23.1-EVO",
"versionType": "semver"
},
{
"lessThan": "23.2R1-S2-EVO, 23.2R2-EVO",
"status": "affected",
"version": "23.2-EVO",
"versionType": "semver"
}
]
}
]