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[email protected]CVE-2021-31374

HistoryOct 19, 2021 - 7:15 p.m.

CVE-2021-31374

2021-10-1919:15:10

CWE-787

[email protected]

web.nvd.nist.gov

cve-2021-31374

juniper networks

junos os

junos os evolved

bgp

update

keepalive

dos

denial of service

nvd

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

7.5 High

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

0.001 Low

EPSS

Percentile

42.7%

JSON

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.

Affected configurations

NVD

Node

juniperjunosMatch17.3-

juniperjunosMatch17.3r1

juniperjunosMatch17.3r1-s1

juniperjunosMatch17.3r1-s4

juniperjunosMatch17.3r2

juniperjunosMatch17.3r2-s1

juniperjunosMatch17.3r2-s2

juniperjunosMatch17.3r2-s3

juniperjunosMatch17.3r2-s4

juniperjunosMatch17.3r2-s5

juniperjunosMatch17.3r3

juniperjunosMatch17.3r3-s1

juniperjunosMatch17.3r3-s10

juniperjunosMatch17.3r3-s2

juniperjunosMatch17.3r3-s3

juniperjunosMatch17.3r3-s4

juniperjunosMatch17.3r3-s5

juniperjunosMatch17.3r3-s6

juniperjunosMatch17.3r3-s7

juniperjunosMatch17.3r3-s8

juniperjunosMatch17.3r3-s9

juniperjunosMatch17.4-

juniperjunosMatch17.4r1

juniperjunosMatch17.4r1-s1

juniperjunosMatch17.4r1-s2

juniperjunosMatch17.4r1-s3

juniperjunosMatch17.4r1-s4

juniperjunosMatch17.4r1-s5

juniperjunosMatch17.4r1-s6

juniperjunosMatch17.4r1-s7

juniperjunosMatch17.4r2

juniperjunosMatch17.4r2-s1

juniperjunosMatch17.4r2-s10

juniperjunosMatch17.4r2-s11

juniperjunosMatch17.4r2-s12

juniperjunosMatch17.4r2-s2

juniperjunosMatch17.4r2-s3

juniperjunosMatch17.4r2-s4

juniperjunosMatch17.4r2-s5

juniperjunosMatch17.4r2-s6

juniperjunosMatch17.4r2-s7

juniperjunosMatch17.4r2-s8

juniperjunosMatch17.4r2-s9

juniperjunosMatch17.4r3

juniperjunosMatch17.4r3-s1

juniperjunosMatch17.4r3-s2

juniperjunosMatch17.4r3-s3

juniperjunosMatch18.1-

juniperjunosMatch18.1r1

juniperjunosMatch18.1r2

juniperjunosMatch18.1r2-s1

juniperjunosMatch18.1r2-s2

juniperjunosMatch18.1r2-s4

juniperjunosMatch18.1r3

juniperjunosMatch18.1r3-s1

juniperjunosMatch18.1r3-s10

juniperjunosMatch18.1r3-s11

juniperjunosMatch18.1r3-s2

juniperjunosMatch18.1r3-s3

juniperjunosMatch18.1r3-s4

juniperjunosMatch18.1r3-s5

juniperjunosMatch18.1r3-s6

juniperjunosMatch18.1r3-s7

juniperjunosMatch18.1r3-s8

juniperjunosMatch18.1r3-s9

juniperjunosMatch18.2-

juniperjunosMatch18.2r1

juniperjunosMatch18.2r1-s2

juniperjunosMatch18.2r1-s3

juniperjunosMatch18.2r1-s4

juniperjunosMatch18.2r1-s5

juniperjunosMatch18.2r2

juniperjunosMatch18.2r2-s1

juniperjunosMatch18.2r2-s2

juniperjunosMatch18.2r2-s3

juniperjunosMatch18.2r2-s4

juniperjunosMatch18.2r2-s5

juniperjunosMatch18.2r2-s6

juniperjunosMatch18.2r2-s7

juniperjunosMatch18.2r3

juniperjunosMatch18.2r3-s1

juniperjunosMatch18.2r3-s2

juniperjunosMatch18.2r3-s3

juniperjunosMatch18.2r3-s4

juniperjunosMatch18.2r3-s5

juniperjunosMatch18.2r3-s6

juniperjunosMatch18.3-

juniperjunosMatch18.3r1

juniperjunosMatch18.3r1-s1

juniperjunosMatch18.3r1-s2

juniperjunosMatch18.3r1-s3

juniperjunosMatch18.3r1-s4

juniperjunosMatch18.3r1-s5

juniperjunosMatch18.3r1-s6

juniperjunosMatch18.3r2

juniperjunosMatch18.3r2-s1

juniperjunosMatch18.3r2-s2

juniperjunosMatch18.3r2-s3

juniperjunosMatch18.3r2-s4

juniperjunosMatch18.3r3

juniperjunosMatch18.3r3-s1

juniperjunosMatch18.3r3-s2

juniperjunosMatch18.3r3-s3

juniperjunosMatch18.4-

juniperjunosMatch18.4r1

juniperjunosMatch18.4r1-s1

juniperjunosMatch18.4r1-s2

juniperjunosMatch18.4r1-s3

juniperjunosMatch18.4r1-s4

juniperjunosMatch18.4r1-s5

juniperjunosMatch18.4r1-s6

juniperjunosMatch18.4r1-s7

juniperjunosMatch18.4r2

juniperjunosMatch18.4r2-s1

juniperjunosMatch18.4r2-s2

juniperjunosMatch18.4r2-s3

juniperjunosMatch18.4r2-s4

juniperjunosMatch18.4r2-s5

juniperjunosMatch18.4r2-s6

juniperjunosMatch19.1-

juniperjunosMatch19.1r1

juniperjunosMatch19.1r1-s1

juniperjunosMatch19.1r1-s2

juniperjunosMatch19.1r1-s3

juniperjunosMatch19.1r1-s4

juniperjunosMatch19.1r1-s5

juniperjunosMatch19.1r2

juniperjunosMatch19.1r2-s1

juniperjunosMatch19.1r3

juniperjunosMatch19.1r3-s1

juniperjunosMatch19.2-

juniperjunosMatch19.2r1

juniperjunosMatch19.2r1-s1

juniperjunosMatch19.2r1-s2

juniperjunosMatch19.2r1-s3

juniperjunosMatch19.2r1-s4

juniperjunosMatch19.2r1-s5

juniperjunosMatch19.2r3

juniperjunosMatch19.3-

juniperjunosMatch19.3r1

juniperjunosMatch19.3r1-s1

juniperjunosMatch19.3r2

juniperjunosMatch19.3r2-s1

juniperjunosMatch19.3r2-s2

juniperjunosMatch19.3r2-s3

juniperjunosMatch19.3r2-s4

juniperjunosMatch19.3r3

juniperjunosMatch19.4r1

juniperjunosMatch19.4r1-s1

juniperjunosMatch19.4r1-s2

juniperjunosMatch19.4r1-s3

juniperjunosMatch19.4r2

juniperjunosMatch19.4r2-s1

juniperjunosMatch19.4r2-s2

juniperjunosMatch19.4r3

juniperjunosMatch20.1r1

juniperjunosMatch20.1r1-s1

juniperjunosMatch20.1r1-s2

juniperjunosMatch20.1r1-s3

juniperjunosMatch20.1r1-s4

juniperjunosMatch20.2r1

juniperjunosMatch20.2r1-s1

juniperjunosMatch20.2r1-s2

juniperjunosMatch20.2r1-s3

juniperjunosMatch20.3r1

juniperjunos_os_evolvedMatch20.3-

juniperjunos_os_evolvedMatch20.3r1

juniperjunos_os_evolvedMatch20.3r1-s1

juniperjunos_os_evolvedMatch20.3r1-s2

juniperjunos_os_evolvedMatch20.3r1-s3

CPENameOperatorVersion
juniper:junosjuniper junoseq17.3
juniper:junosjuniper junoseq17.4
juniper:junosjuniper junoseq18.1
juniper:junosjuniper junoseq18.2
juniper:junosjuniper junoseq18.3
juniper:junosjuniper junoseq18.4
juniper:junosjuniper junoseq19.1
juniper:junosjuniper junoseq19.2
juniper:junosjuniper junoseq19.3
juniper:junosjuniper junoseq19.4

CPE	Name	Operator	Version
juniper:junos	juniper junos	eq	17.3
juniper:junos	juniper junos	eq	17.4
juniper:junos	juniper junos	eq	18.1
juniper:junos	juniper junos	eq	18.2
juniper:junos	juniper junos	eq	18.3
juniper:junos	juniper junos	eq	18.4
juniper:junos	juniper junos	eq	19.1
juniper:junos	juniper junos	eq	19.2
juniper:junos	juniper junos	eq	19.3
juniper:junos	juniper junos	eq	19.4

Rows per page:

1-10 of 141

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

kb.juniper.net/JSA11239

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

7.5 High

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

0.001 Low

EPSS

Percentile

42.7%

JSON

Related for CVE-2021-31374

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