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[email protected]CVE-2021-0250

HistoryApr 22, 2021 - 8:15 p.m.

CVE-2021-0250

2021-04-2220:15:09

[email protected]

web.nvd.nist.gov

cve-2021-0250

juniper networks

junos os

rpd process

bgp monitoring protocol

denial of service

security vulnerability

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

42.5%

JSON

In segment routing traffic engineering (SRTE) environments where the BGP Monitoring Protocol (BMP) feature is enable, a vulnerability in the Routing Protocol Daemon (RPD) process of Juniper Networks Junos OS allows an attacker to send a specific crafted BGP update message causing the RPD service to core, creating a Denial of Service (DoS) Condition. Continued receipt and processing of this update message will create a sustained Denial of Service (DoS) condition. This issue affects IPv4 and IPv6 environments. This issue affects: Juniper Networks Junos OS 17.4 versions 17.4R1 and above prior to 17.4R2-S6, 17.4R3; 18.1 versions prior to 18.1R3-S7; 18.2 versions prior to 18.2R2-S6, 18.2R3-S3; 18.3 versions prior to 18.3R1-S7, 18.3R2-S3, 18.3R3; 18.4 versions prior to 18.4R1-S5, 18.4R2-S3, 18.4R3; 19.1 versions prior to 19.1R1-S4, 19.1R2; 19.2 versions prior to 19.2R1-S3, 19.2R2, This issue does not affect Junos OS releases prior to 17.4R1. This issue affects: Juniper Networks Junos OS Evolved 19.2-EVO versions prior to 19.2R2-EVO.

Affected configurations

NVD

Node

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-s2

juniperjunosMatch17.4r2-s3

juniperjunosMatch17.4r2-s4

juniperjunosMatch17.4r2-s5

juniperjunosMatch18.1-

juniperjunosMatch18.1r1

juniperjunosMatch18.1r2

juniperjunosMatch18.1r2-s1

juniperjunosMatch18.1r2-s2

juniperjunosMatch18.1r2-s4

juniperjunosMatch18.1r3

juniperjunosMatch18.1r3-s1

juniperjunosMatch18.1r3-s2

juniperjunosMatch18.1r3-s3

juniperjunosMatch18.1r3-s4

juniperjunosMatch18.1r3-s5

juniperjunosMatch18.1r3-s6

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

juniperjunosMatch18.2r3

juniperjunosMatch18.2r3-s1

juniperjunosMatch18.2r3-s2

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

juniperjunosMatch18.4-

juniperjunosMatch18.4r1

juniperjunosMatch18.4r1-s1

juniperjunosMatch18.4r1-s2

juniperjunosMatch18.4r1-s3

juniperjunosMatch18.4r1-s4

juniperjunosMatch18.4r2

juniperjunosMatch18.4r2-s1

juniperjunosMatch18.4r2-s2

juniperjunosMatch19.1-

juniperjunosMatch19.1r1

juniperjunosMatch19.1r1-s1

juniperjunosMatch19.1r1-s2

juniperjunosMatch19.1r1-s3

juniperjunosMatch19.2-

juniperjunosMatch19.2r1

juniperjunosMatch19.2r1-s1

juniperjunosMatch19.2r1-s2

juniperjunos_os_evolvedMatch19.2r1

CPENameOperatorVersion
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:junos_os_evolvedjuniper junos os evolvedeq19.2

CPE	Name	Operator	Version
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_os_evolved	juniper junos os evolved	eq	19.2

CNA Affected

[
  {
    "product": "Junos OS",
    "vendor": "Juniper Networks",
    "versions": [
      {
        "lessThan": "unspecified",
        "status": "affected",
        "version": "17.4R1",
        "versionType": "custom"
      },
      {
        "lessThan": "17.4R2-S6, 17.4R3",
        "status": "affected",
        "version": "17.4",
        "versionType": "custom"
      },
      {
        "lessThan": "18.1R3-S7",
        "status": "affected",
        "version": "18.1",
        "versionType": "custom"
      },
      {
        "lessThan": "18.2R2-S6, 18.2R3-S3",
        "status": "affected",
        "version": "18.2",
        "versionType": "custom"
      },
      {
        "lessThan": "18.3R1-S7, 18.3R2-S3, 18.3R3",
        "status": "affected",
        "version": "18.3",
        "versionType": "custom"
      },
      {
        "lessThan": "18.4R1-S5, 18.4R2-S3, 18.4R3",
        "status": "affected",
        "version": "18.4",
        "versionType": "custom"
      },
      {
        "lessThan": "19.1R1-S4, 19.1R2",
        "status": "affected",
        "version": "19.1",
        "versionType": "custom"
      },
      {
        "lessThan": "19.2R1-S3, 19.2R2",
        "status": "affected",
        "version": "19.2",
        "versionType": "custom"
      }
    ]
  },
  {
    "product": "Junos OS Evolved",
    "vendor": "Juniper Networks",
    "versions": [
      {
        "lessThan": " 19.2R2-EVO",
        "status": "affected",
        "version": "19.2-EVO",
        "versionType": "custom"
      }
    ]
  }
]

References

kb.juniper.net/JSA11143

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

42.5%

JSON

Related for CVE-2021-0250

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