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JuniperCVE-2021-31366

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

CVE-2021-31366

2021-10-1919:15:09

CWE-252

juniper

web.nvd.nist.gov

cve-2021-31366

unchecked return value vulnerability

juniper networks

junos os

mx series

subscriber management

denial of service

nvd

CVSS2

3.3

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

6.5

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

0.001

Percentile

25.2%

JSON

An Unchecked Return Value vulnerability in the authd (authentication daemon) of Juniper Networks Junos OS on MX Series configured for subscriber management / BBE allows an adjacent attacker to cause a crash by sending a specific username. This impacts authentication, authorization, and accounting (AAA) services on the MX devices and leads to a Denial of Service (DoS) condition. Continued receipted of these PPP login request will create a sustained Denial of Service (DoS) condition. This issue affects: Juniper Networks Junos OS 15.1 versions prior to 15.1R7-S9; 17.3 versions prior to 17.3R3-S12; 17.4 versions prior to 17.4R3-S5; 18.1 versions prior to 18.1R3-S13; 18.2 versions prior to 18.2R3-S8; 18.3 versions prior to 18.3R3-S5; 18.4 versions prior to 18.4R3-S9; 19.1 versions prior to 19.1R3-S6; 19.2 versions prior to 19.2R1-S7, 19.2R3-S3; 19.3 versions prior to 19.3R2-S6, 19.3R3-S3; 19.4 versions prior to 19.4R3-S3; 20.1 versions prior to 20.1R3; 20.2 versions prior to 20.2R3-S1; 20.3 versions prior to 20.3R3; 20.4 versions prior to 20.4R3; 21.1 versions prior to 21.1R2.

Affected configurations

Nvd

Node

juniperjunosMatch15.1-

juniperjunosMatch15.1a1

juniperjunosMatch15.1f

juniperjunosMatch15.1f1

juniperjunosMatch15.1f2

juniperjunosMatch15.1f2-s1

juniperjunosMatch15.1f2-s2

juniperjunosMatch15.1f2-s3

juniperjunosMatch15.1f2-s4

juniperjunosMatch15.1f3

juniperjunosMatch15.1f4

juniperjunosMatch15.1f5

juniperjunosMatch15.1f5-s7

juniperjunosMatch15.1f6

juniperjunosMatch15.1f6-s1

juniperjunosMatch15.1f6-s10

juniperjunosMatch15.1f6-s12

juniperjunosMatch15.1f6-s2

juniperjunosMatch15.1f6-s3

juniperjunosMatch15.1f6-s4

juniperjunosMatch15.1f6-s5

juniperjunosMatch15.1f6-s6

juniperjunosMatch15.1f6-s7

juniperjunosMatch15.1f6-s8

juniperjunosMatch15.1f6-s9

juniperjunosMatch15.1f7

juniperjunosMatch15.1r

juniperjunosMatch15.1r1

juniperjunosMatch15.1r2

juniperjunosMatch15.1r3

juniperjunosMatch15.1r4

juniperjunosMatch15.1r4-s7

juniperjunosMatch15.1r4-s8

juniperjunosMatch15.1r4-s9

juniperjunosMatch15.1r5

juniperjunosMatch15.1r5-s1

juniperjunosMatch15.1r5-s3

juniperjunosMatch15.1r5-s5

juniperjunosMatch15.1r5-s6

juniperjunosMatch15.1r6

juniperjunosMatch15.1r6-s1

juniperjunosMatch15.1r6-s2

juniperjunosMatch15.1r6-s3

juniperjunosMatch15.1r6-s4

juniperjunosMatch15.1r6-s6

juniperjunosMatch15.1r7

juniperjunosMatch15.1r7-s1

juniperjunosMatch15.1r7-s2

juniperjunosMatch15.1r7-s3

juniperjunosMatch15.1r7-s4

juniperjunosMatch15.1r7-s5

juniperjunosMatch15.1r7-s6

juniperjunosMatch15.1r7-s7

juniperjunosMatch15.1r7-s8

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-

juniperjunosMatch17.3r3-s1

juniperjunosMatch17.3r3-s10

juniperjunosMatch17.3r3-s11

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

juniperjunosMatch17.4r3-s4

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-s12

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-

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

juniperjunosMatch18.2r3-s7

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

juniperjunosMatch18.3r3-s4

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

juniperjunosMatch18.4r2-s7

juniperjunosMatch18.4r2-s8

juniperjunosMatch18.4r3

juniperjunosMatch18.4r3-s1

juniperjunosMatch18.4r3-s2

juniperjunosMatch18.4r3-s3

juniperjunosMatch18.4r3-s4

juniperjunosMatch18.4r3-s5

juniperjunosMatch18.4r3-s6

juniperjunosMatch18.4r3-s7

juniperjunosMatch18.4r3-s8

juniperjunosMatch19.1-

juniperjunosMatch19.1r1

juniperjunosMatch19.1r1-s1

juniperjunosMatch19.1r1-s2

juniperjunosMatch19.1r1-s3

juniperjunosMatch19.1r1-s4

juniperjunosMatch19.1r1-s5

juniperjunosMatch19.1r1-s6

juniperjunosMatch19.1r2

juniperjunosMatch19.1r2-s1

juniperjunosMatch19.1r2-s2

juniperjunosMatch19.1r3

juniperjunosMatch19.1r3-s1

juniperjunosMatch19.1r3-s2

juniperjunosMatch19.1r3-s3

juniperjunosMatch19.1r3-s4

juniperjunosMatch19.1r3-s5

juniperjunosMatch19.2-

juniperjunosMatch19.2r1

juniperjunosMatch19.2r1-s1

juniperjunosMatch19.2r1-s2

juniperjunosMatch19.2r1-s3

juniperjunosMatch19.2r1-s4

juniperjunosMatch19.2r1-s5

juniperjunosMatch19.2r1-s6

juniperjunosMatch19.2r3-s3

juniperjunosMatch19.3-

juniperjunosMatch19.3r1

juniperjunosMatch19.3r1-s1

juniperjunosMatch19.3r2

juniperjunosMatch19.3r2-s1

juniperjunosMatch19.3r2-s2

juniperjunosMatch19.3r2-s3

juniperjunosMatch19.3r2-s4

juniperjunosMatch19.3r2-s5

juniperjunosMatch19.3r3-s3

juniperjunosMatch19.4r1

juniperjunosMatch19.4r1-s1

juniperjunosMatch19.4r1-s2

juniperjunosMatch19.4r1-s3

juniperjunosMatch19.4r1-s4

juniperjunosMatch19.4r2

juniperjunosMatch19.4r2-s1

juniperjunosMatch19.4r2-s2

juniperjunosMatch19.4r2-s3

juniperjunosMatch19.4r2-s4

juniperjunosMatch19.4r3

juniperjunosMatch19.4r3-s1

juniperjunosMatch19.4r3-s2

juniperjunosMatch20.1r1

juniperjunosMatch20.1r1-s1

juniperjunosMatch20.1r1-s2

juniperjunosMatch20.1r1-s3

juniperjunosMatch20.1r1-s4

juniperjunosMatch20.1r2

juniperjunosMatch20.1r2-s1

juniperjunosMatch20.1r2-s2

juniperjunosMatch20.2r1

juniperjunosMatch20.2r1-s1

juniperjunosMatch20.2r1-s2

juniperjunosMatch20.2r1-s3

juniperjunosMatch20.2r2

juniperjunosMatch20.2r2-s1

juniperjunosMatch20.2r2-s2

juniperjunosMatch20.2r2-s3

juniperjunosMatch20.2r3

juniperjunosMatch20.3r1

juniperjunosMatch20.3r1-s1

juniperjunosMatch20.3r2

juniperjunosMatch20.3r2-s1

juniperjunosMatch20.4r1

juniperjunosMatch20.4r1-s1

juniperjunosMatch20.4r2

juniperjunosMatch20.4r2-s1

juniperjunosMatch21.1r1

juniperjunosMatch21.1r1-s1

AND

junipermx10Match-

junipermx10003Match-

junipermx10008Match-

junipermx10016Match-

junipermx104Match-

junipermx150Match-

junipermx2008Match-

junipermx2010Match-

junipermx2020Match-

junipermx204Match-

junipermx240Match-

junipermx40Match-

junipermx480Match-

junipermx5Match-

junipermx80Match-

junipermx960Match-

VendorProductVersionCPE
juniperjunos15.1cpe:2.3:o:juniper:junos:15.1:-:*:*:*:*:*:*
juniperjunos15.1cpe:2.3:o:juniper:junos:15.1:a1:*:*:*:*:*:*
juniperjunos15.1cpe:2.3:o:juniper:junos:15.1:f:*:*:*:*:*:*
juniperjunos15.1cpe:2.3:o:juniper:junos:15.1:f1:*:*:*:*:*:*
juniperjunos15.1cpe:2.3:o:juniper:junos:15.1:f2:*:*:*:*:*:*
juniperjunos15.1cpe:2.3:o:juniper:junos:15.1:f2-s1:*:*:*:*:*:*
juniperjunos15.1cpe:2.3:o:juniper:junos:15.1:f2-s2:*:*:*:*:*:*
juniperjunos15.1cpe:2.3:o:juniper:junos:15.1:f2-s3:*:*:*:*:*:*
juniperjunos15.1cpe:2.3:o:juniper:junos:15.1:f2-s4:*:*:*:*:*:*
juniperjunos15.1cpe:2.3:o:juniper:junos:15.1:f3:*:*:*:*:*:*

Vendor	Product	Version	CPE
juniper	junos	15.1	cpe:2.3:o:juniper:junos:15.1:-::::::
juniper	junos	15.1	cpe:2.3:o:juniper:junos:15.1:a1::::::
juniper	junos	15.1	cpe:2.3:o:juniper:junos:15.1:f::::::
juniper	junos	15.1	cpe:2.3:o:juniper:junos:15.1:f1::::::
juniper	junos	15.1	cpe:2.3:o:juniper:junos:15.1:f2::::::
juniper	junos	15.1	cpe:2.3:o:juniper:junos:15.1:f2-s1::::::
juniper	junos	15.1	cpe:2.3:o:juniper:junos:15.1:f2-s2::::::
juniper	junos	15.1	cpe:2.3:o:juniper:junos:15.1:f2-s3::::::
juniper	junos	15.1	cpe:2.3:o:juniper:junos:15.1:f2-s4::::::
juniper	junos	15.1	cpe:2.3:o:juniper:junos:15.1:f3::::::

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CNA Affected

[
  {
    "platforms": [
      "MX Series"
    ],
    "product": "Junos OS",
    "vendor": "Juniper Networks",
    "versions": [
      {
        "lessThan": "15.1R7-S9",
        "status": "affected",
        "version": "15.1",
        "versionType": "custom"
      },
      {
        "lessThan": "17.3R3-S12",
        "status": "affected",
        "version": "17.3",
        "versionType": "custom"
      },
      {
        "lessThan": "17.4R3-S5",
        "status": "affected",
        "version": "17.4",
        "versionType": "custom"
      },
      {
        "lessThan": "18.1R3-S13",
        "status": "affected",
        "version": "18.1",
        "versionType": "custom"
      },
      {
        "lessThan": "18.2R3-S8",
        "status": "affected",
        "version": "18.2",
        "versionType": "custom"
      },
      {
        "lessThan": "18.3R3-S5",
        "status": "affected",
        "version": "18.3",
        "versionType": "custom"
      },
      {
        "lessThan": "18.4R3-S9",
        "status": "affected",
        "version": "18.4",
        "versionType": "custom"
      },
      {
        "lessThan": "19.1R3-S6",
        "status": "affected",
        "version": "19.1",
        "versionType": "custom"
      },
      {
        "lessThan": "19.2R1-S7, 19.2R3-S3",
        "status": "affected",
        "version": "19.2",
        "versionType": "custom"
      },
      {
        "lessThan": "19.3R2-S6, 19.3R3-S3",
        "status": "affected",
        "version": "19.3",
        "versionType": "custom"
      },
      {
        "lessThan": "19.4R3-S3",
        "status": "affected",
        "version": "19.4",
        "versionType": "custom"
      },
      {
        "lessThan": "20.1R3",
        "status": "affected",
        "version": "20.1",
        "versionType": "custom"
      },
      {
        "lessThan": "20.2R3-S1",
        "status": "affected",
        "version": "20.2",
        "versionType": "custom"
      },
      {
        "lessThan": "20.3R3",
        "status": "affected",
        "version": "20.3",
        "versionType": "custom"
      },
      {
        "lessThan": "20.4R3",
        "status": "affected",
        "version": "20.4",
        "versionType": "custom"
      },
      {
        "lessThan": "21.1R2",
        "status": "affected",
        "version": "21.1",
        "versionType": "custom"
      }
    ]
  }
]

References

kb.juniper.net/JSA11228

CVSS2

3.3

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

6.5

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

0.001

Percentile

25.2%

JSON

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