01 Record
CVE-2020-1685
Junos OS: EX4600, QFX5K Series: Stateless firewall filter matching 'user-vlan-id' will cause incomplete discard action
MediumPUBLISHEDCNA: juniper
CNA base score5.8 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N
02 Description
Junos OS: EX4600, QFX5K Series: Stateless firewall filter matching 'user-vlan-id' will cause incomplete discard action
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
- 0.76% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 54.7% of scored records. A rank, not a probability.
- NVD base score
- 5.8 (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:C/C:N/I:L/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
- 2020-10-16 20:31Z6 YR AGO
- Last updated
- 2024-09-16 20:12Z2 YR AGO
- Reserved
- 2019-11-04
- Assigning CNA
- juniper
- Record state
- PUBLISHED
- Severity
- Medium (CVSS 5.8)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N
- Weaknesses
- CWE-203Observable DiscrepancyBase
- Data version
- 5.1
- Document digest
- 2351b2745a9aebbce5d047f7f55a63f76a90054264501943ec881d97773ac5d9
05 Affected products
VendorProductVersionsPlatforms
Juniper NetworksJunos OS18.1 to < 18.1R3-S7, 18.2 to < 18.2R2-S7, 18.2R3-S1, 18.3 to < 18.3R1-S5, 18.3R2-S4, 18.3R3, 18.4 to < 18.4R1-S7, 18.4R2-S1, 18.4R3, 19.1 to < 19.1R1-S5, 19.1R2, 19.2 to < 19.2R1-S5, 19.2R2EX4600, QFX5K Series
06 References
- kb.juniper.nethttps://kb.juniper.net/JSA11082
07 Remediation
The following software releases have been updated to resolve this specific issue: Junos OS 18.1R3-S7, 18.2R2-S7, 18.2R3-S1, 18.3R1-S5, 18.3R2-S4, 18.3R3, 18.4R1-S7, 18.4R2-S1, 18.4R3, 19.1R1-S5, 19.1R2, 19.2R1-S5, 19.2R2, 19.3R1, and all subsequent releases.