02 Records
FEED: ACQUIRING
01 RecordSTATE: PUBLISHED
02 Description
CNA: juniperJunos OS Evolved: Specific packets reaching the RE lead to a counter overflow and eventually a crash
03 Exploitation and scoring
SRC: CISA, FIRST, NVD, RED HAT- 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
- 1.06% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Ranks above 62.1% of scored records. A rank, not a probability.
- NVD base score
- 7.5 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/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.
SCHEMA: 5.1
- Published
- 2022-04-14 15:50Z4 YR AGO
- Last updated
- 2024-09-16 23:11Z1 YR AGO
- Reserved
- 2021-12-21
- Assigning CNA
- juniper
- Record state
- PUBLISHED
- Severity
- High (CVSS 7.5)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-911Improper Update of Reference CountBase
- Data version
- 5.1
- Document digest
- 67ca62a50bda3ff8eb4a28c85fc47c0f3f5c363a2421a7ce9f32fbb0cf544c9f
05 Affected products
PAIRS: 2VendorProductVersionsPlatforms
Juniper NetworksJunos OS Evolved< 20.4R3-S1-EVO, 21.1 to < 21.1R3-EVO, 21.2 to < 21.2R3-EVO, 21.3 to < 21.3R2-EVO— SRC: CNA
The following software releases have been updated to resolve this specific issue: 20.4R3-S1-EVO, 21.1R3-EVO, 21.2R3-EVO, 21.3R2-EVO, 21.4R1-EVO, and all subsequent releases.