JuniperCVELIST:CVE-2021-31374CVE-2021-31374 Junos OS and Junos OS Evolved: RPD crash while processing a specially crafted BGP UPDATE or KEEPALIVE message.
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
Percentile
42.6%
On Juniper Networks Junos OS and Junos OS Evolved devices processing a specially crafted BGP UPDATE or KEEPALIVE message can lead to a routing process daemon (RPD) crash and restart, causing a Denial of Service (DoS). Continued receipt and processing of this message will create a sustained Denial of Service (DoS) condition. This issue affects both IBGP and EBGP deployments over IPv4 or IPv6. This issue affects: Juniper Networks Junos OS: 17.3 versions prior to 17.3R3-S11; 17.4 versions prior to 17.4R2-S13, 17.4R3-S4; 18.1 versions prior to 18.1R3-S12; 18.2 versions prior to 18.2R2-S8, 18.2R3-S7; 18.3 versions prior to 18.3R3-S4; 18.4 versions prior to 18.4R1-S8, 18.4R2-S7, 18.4R3-S7; 19.1 versions prior to 19.1R1-S6, 19.1R2-S2, 19.1R3-S4; 19.2 versions prior to 19.2R1-S6, 19.2R3-S1; 19.3 versions prior to 19.3R2-S5, 19.3R3-S1; 19.4 versions prior to 19.4R1-S4, 19.4R1-S4, 19.4R2-S3, 19.4R3-S1; 20.1 versions prior to 20.1R2; 20.2 versions prior to 20.2R2; 20.3 versions prior to 20.3R1-S1, 20.3R2. Juniper Networks Junos OS Evolved: 20.3 versions prior to 20.3R2-EVO.
CNA Affected
[
{
"product": "Junos OS",
"vendor": "Juniper Networks",
"versions": [
{
"lessThan": "17.3R3-S11",
"status": "affected",
"version": "17.3",
"versionType": "custom"
},
{
"lessThan": "17.4R2-S13, 17.4R3-S4",
"status": "affected",
"version": "17.4",
"versionType": "custom"
},
{
"lessThan": "18.1R3-S12",
"status": "affected",
"version": "18.1",
"versionType": "custom"
},
{
"lessThan": "18.2R2-S8, 18.2R3-S7",
"status": "affected",
"version": "18.2",
"versionType": "custom"
},
{
"lessThan": "18.3R3-S4",
"status": "affected",
"version": "18.3",
"versionType": "custom"
},
{
"lessThan": "18.4R1-S8, 18.4R2-S7, 18.4R3-S7",
"status": "affected",
"version": "18.4",
"versionType": "custom"
},
{
"lessThan": "19.1R1-S6, 19.1R2-S2, 19.1R3-S4",
"status": "affected",
"version": "19.1",
"versionType": "custom"
},
{
"lessThan": "19.2R1-S6, 19.2R3-S1",
"status": "affected",
"version": "19.2",
"versionType": "custom"
},
{
"lessThan": "19.3R2-S5, 19.3R3-S1",
"status": "affected",
"version": "19.3",
"versionType": "custom"
},
{
"lessThan": "19.4R1-S4, 19.4R2-S3, 19.4R3-S1",
"status": "affected",
"version": "19.4",
"versionType": "custom"
},
{
"lessThan": "20.1R2",
"status": "affected",
"version": "20.1",
"versionType": "custom"
},
{
"lessThan": "20.2R2",
"status": "affected",
"version": "20.2",
"versionType": "custom"
},
{
"lessThan": "20.3R1-S1, 20.3R2",
"status": "affected",
"version": "20.3",
"versionType": "custom"
}
]
},
{
"product": "Junos OS Evolved",
"vendor": "Juniper Networks",
"versions": [
{
"lessThan": "20.3R2-EVO",
"status": "affected",
"version": "20.3",
"versionType": "custom"
}
]
}
]References
Related
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
Percentile
42.6%