CVE-2022-22156

Summary

An Improper Certificate Validation weakness in the Juniper Networks Junos OS allows an attacker to perform Person-in-the-Middle (PitM) attacks when a system script is fetched from a remote source at a specified HTTPS URL, which may compromise the integrity and confidentiality of the device. The following command can be executed by an administrator via the CLI to refresh a script from a remote location, which is affected from this vulnerability: >request system scripts refresh-from (commit | event | extension-service | op | snmp) file filename url <https-url> This issue affects: Juniper Networks Junos OS All versions prior to 18.4R2-S9, 18.4R3-S9; 19.1 versions prior to 19.1R2-S3, 19.1R3-S7; 19.2 versions prior to 19.2R1-S7, 19.2R3-S3; 19.3 versions prior to 19.3R3-S4; 19.4 versions prior to 19.4R3-S7; 20.1 versions prior to 20.1R2-S2, 20.1R3; 20.2 versions prior to 20.2R3; 20.3 versions prior to 20.3R2-S1, 20.3R3; 20.4 versions prior to 20.4R2; 21.1 versions prior to 21.1R1-S1, 21.1R2.

Affected Software

VendorProductVersion RangeStatus
Juniper NetworksJunos OSunspecified < 18.4R2-S9, 18.4R3-S9affected
Juniper NetworksJunos OS19.1 < 19.1R2-S3, 19.1R3-S7affected
Juniper NetworksJunos OS19.2 < 19.2R1-S7, 19.2R3-S3affected
Juniper NetworksJunos OS19.3 < 19.3R3-S4affected
Juniper NetworksJunos OS19.4 < 19.4R3-S7affected
Juniper NetworksJunos OS20.1 < 20.1R2-S2, 20.1R3affected
Juniper NetworksJunos OS20.2 < 20.2R3affected
Juniper NetworksJunos OS20.3 < 20.3R2-S1, 20.3R3affected
Juniper NetworksJunos OS20.4 < 20.4R2affected
Juniper NetworksJunos OS21.1 < 21.1R1-S1, 21.1R2affected

Weaknesses

  • CWE-358: CWE-358 Improperly Implemented Security Check for Standard
  • CWE-295: CWE-295 Improper Certificate Validation
  • CWE-300: CWE-300 Channel Accessible by Non-Endpoint ('Man-in-the-Middle')

Workarounds

There are no viable workarounds for this issue.

ADP Enrichment

CVE Program Container

Additional References

References