01 Record
CVE-2021-0222
Junos OS: Upon receipt of certain protocol packets with invalid payloads a self-propagating Denial of Service may occur.
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: Upon receipt of certain protocol packets with invalid payloads a self-propagating Denial of Service may occur.
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
- 0.64% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 50.7% 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:A/AC:L/PR:N/UI:N/S:C/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
- 2021-01-15 17:36Z5 YR AGO
- Last updated
- 2024-09-16 20:03Z2 YR AGO
- Reserved
- 2020-10-27
- 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
- Data version
- 5.1
- Document digest
- d933ba06f72590620a89a1bd57a3949a3475e0cfff571aa60495a41cd5102131
05 Affected products
VendorProductVersionsPlatforms
Juniper NetworksJunos OS14.1X53 to < 14.1X53-D53, 15.1 to < 15.1R7-S6, 16.1 to < 16.1R7-S7, 17.1 to < 17.1R2-S11, 17.1 to < 17.1R3-S2, 17.2 to < 17.2R1-S9, 18.2 to < 18.2R2-S7, 18.3 to < 18.3R2-S3, 19.2 to < 19.2R1-S3, 19.2R2, 19.3 to < 19.3R2-S1, 19.3R3, 17.2 to < 17.2R3-S3, 17.3 to < 17.3R2-S5, 17.3R3-S7, 17.4 to < 17.4R2-S9, 17.4R3, 18.1 to < 18.1R3-S9, 18.2 to < 18.2R3-S3, 18.3 to < 18.3R1-S7, 18.3R3-S1, 18.4 to < 18.4R1-S5, 18.4R2-S3, 18.4R3, 19.1 to < 19.1R1-S4, 19.1R2-S1, 19.1R3, 19.2 to < 19.2R1-S4, 19.2R2, 19.3 to < 19.3R1-S1, 19.3R2, 19.3R3EX4300, QFX3500, QFX5100, EX4600, EX4300, QFX5100, EX4600, EX4300, EX4300, QFX5100, EX4600, QFX5110, QFX5200, EX4300, QFX5100, EX4600, QFX5110, QFX5200, QFX5210, EX2300, EX3400, EX4300, QFX5100, EX4600, QFX5110, QFX5200, QFX5210, QFX5120, EX4650, EX2300, EX3400, QFX5100, EX4600, QFX5110, QFX5200, QFX5210, QFX5120, EX4650, EX2300, EX3400
06 References
- kb.juniper.nethttps://kb.juniper.net/JSA11094
07 Remediation
The following software releases have been updated to resolve this specific issue: 14.1X53-D53, 15.1R7-S6, 16.1R7-S7, 17.1R2-S11, 17.2R3-S3, 17.3R2-S5, 17.3R3-S7, 17.4R2-S9, 17.4R3, 18.1R3-S9, 18.2R3-S3, 18.4R1-S5, 18.4R2-S3, 18.4R3, 19.1R1-S4, 19.1R2-S1, 19.1R3, 19.2R2, 19.3R2-S1, 19.3R3, 19.4R1, and all subsequent releases.