Riskcovery

CVE-2021-31375

Junos OS: Receipt of a specific BGP update may cause RPKI policy-checks to be bypassed

State
Published
Severity
7.2 High
Published
Oct 19, 2021
Updated
Sep 17, 2024
Reserved
Apr 15, 2021

Read the record on cve.org

Description

An Improper Input Validation vulnerability in routing process daemon (RPD) of Juniper Networks Junos OS devices configured with BGP origin validation using Resource Public Key Infrastructure (RPKI), allows an attacker to send a specific BGP update which may cause RPKI policy-checks to be bypassed. This, in turn, may allow a spoofed advertisement to be accepted or propagated. This issue affects: Juniper Networks Junos OS 12.3 versions prior to 12.3R12-S18; 15.1 versions prior to 15.1R7-S9; 17.2 versions prior to 17.2R3-S3; 17.3 versions prior to 17.3R3-S7; 17.4 versions prior to 17.4R2-S9, 17.4R3; 18.1 versions prior to 18.1R3-S13; 18.2 versions prior to 18.2R3-S3; 18.3 versions prior to 18.3R3-S1; 18.4 versions prior to 18.4R3; 19.1 versions prior to 19.1R2; 19.2 versions prior to 19.2R2; 19.3 versions prior to 19.3R2.

Scores

CVSSScoreVectorSource
3.17.2 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:Ljuniper

Weaknesses

  • CWE-358 Improperly Implemented Security Check for Standard
  • CWE-20 Improper Input Validation

Affected Products

ProductVersions
Junos OSJuniper Networks
  • 12.3 to before 12.3R12-S18Affected
  • 15.1 to before 15.1R7-S9Affected
  • 17.2 to before 17.2R3-S3Affected
  • 17.3 to before 17.3R3-S7Affected
  • 17.4 to before 17.4R2-S9, 17.4R3Affected
  • 18.1 to before 18.1R3-S13Affected
  • 18.2 to before 18.2R3-S3Affected
  • 18.3 to before 18.3R3-S1Affected
  • 18.4 to before 18.4R3Affected
  • 19.1 to before 19.1R2Affected
  • 19.2 to before 19.2R2Affected
  • 19.3 to before 19.3R2Affected

References

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