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01 Record

CVE-2022-22156

Junos OS: Certificate validation is skipped when fetching system scripts from a HTTPS URL

MediumPUBLISHEDCNA: juniper
CNA base score6.5 CVSS v3.xCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:N
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02 Description

Junos OS: Certificate validation is skipped when fetching system scripts from a HTTPS URL

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
0.55% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 45.7% of scored records. A rank, not a probability.
NVD base score
7.4 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2022-01-19 00:20Z4 YR AGO
Last updated
2024-09-17 02:42Z2 YR AGO
Reserved
2021-12-21
Assigning CNA
juniper
Record state
PUBLISHED
Severity
Medium (CVSS 6.5)
CNA CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:N
Weaknesses
  • CWE-295Improper Certificate ValidationBase
  • CWE-300Channel Accessible by Non-EndpointClass
  • CWE-358Improperly Implemented Security Check for StandardBase
Data version
5.1
Document digest
9df9be8cd9f001630f179c54f88bc940ad612eb79eba29c80dd656a6aee0774a

05 Affected products

VendorProductVersionsPlatforms
Juniper NetworksJunos OS< 18.4R2-S9, 18.4R3-S9, 19.1 to < 19.1R2-S3, 19.1R3-S7, 19.2 to < 19.2R1-S7, 19.2R3-S3, 19.3 to < 19.3R3-S4, 19.4 to < 19.4R3-S7, 20.1 to < 20.1R2-S2, 20.1R3, 20.2 to < 20.2R3, 20.3 to < 20.3R2-S1, 20.3R3, 20.4 to < 20.4R2, 21.1 to < 21.1R1-S1, 21.1R2—

06 References

07 Remediation

The following software releases have been updated to resolve this specific issue: 18.4R2-S9, 18.4R3-S9, 19.1R2-S3, 19.1R3-S7, 19.2R1-S7, 19.2R3-S3, 19.3R3-S4, 19.4R3-S7, 20.1R2-S2, 20.1R3, 20.2R3, 20.3R2-S1, 20.3R3, 20.4R2, 21.1R1-S1, 21.1R2, 21.2R1 and all subsequent releases.