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01 Record

CVE-2022-22176

Junos OS: In a scenario with dhcp-security and option-82 configured jdhcpd crashes upon receipt of a malformed DHCP packet

HighPUBLISHEDCNA: juniper
CNA base score7.4 CVSS v3.xCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

02 Description

Junos OS: In a scenario with dhcp-security and option-82 configured jdhcpd crashes upon receipt of a malformed DHCP packet

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
0.36% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 30.3% of scored records. A rank, not a probability.
NVD base score
6.5 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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 00:21Z4 YR AGO
Last updated
2024-09-16 17:53Z2 YR AGO
Reserved
2021-12-21
Assigning CNA
juniper
Record state
PUBLISHED
Severity
High (CVSS 7.4)
CNA CVSS vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
Weaknesses
  • CWE-1286Improper Validation of Syntactic Correctness of InputBase
  • CWE-20Improper Input ValidationClass
Data version
5.1
Document digest
5310e5a460493e5d5093ed7314c71b62880232135bce657e8b95c6ac0703326e

05 Affected products

VendorProductVersionsPlatforms
Juniper NetworksJunos OS< 15.1R7-S11, 13.2R1 to < 13.2*, 18.3 to < 18.3R3-S6, 18.4 to < 18.4R2-S9, 18.4R3-S10, 19.1 to < 19.1R2-S3, 19.1R3-S7, 19.2 to < 19.2R1-S8, 19.2R3-S4, 19.3 to < 19.3R2-S7, 19.3R3-S4, 19.4 to < 19.4R3-S6, 20.1 to < 20.1R3-S3, 20.2 to < 20.2R3-S3, 20.3 to < 20.3R3-S1, 20.4 to < 20.4R3, 21.1 to < 21.1R2-S1, 21.1R3, 21.2 to < 21.2R1-S1, 21.2R2—

06 References

07 Remediation

The following software releases have been updated to resolve this specific issue: 15.1R7-S11, 18.3R3-S6, 18.4R2-S9, 18.4R3-S10, 19.1R2-S3, 19.1R3-S7, 19.2R1-S8, 19.2R3-S4, 19.3R2-S7, 19.3R3-S4, 19.4R3-S6, 20.1R3-S3, 20.2R3-S3, 20.3R3-S1, 20.4R3, 21.1R2-S1, 21.1R3, 21.2R1-S1, 21.2R2, 21.3R1, and all subsequent releases.