01 Record
CVE-2020-1660
Junos OS: MX Series: Receipt of specific packets can cause services card to restart when DNS filtering is configured.
HighPUBLISHEDCNA: juniper
CNA base score8.3 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L
02 Description
Junos OS: MX Series: Receipt of specific packets can cause services card to restart when DNS filtering is configured.
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
- 0.79% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 55.7% of scored records. A rank, not a probability.
- NVD base score
- 9.9 (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:L/I:L/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
- 2020-10-16 20:31Z6 YR AGO
- Last updated
- 2024-09-16 19:36Z2 YR AGO
- Reserved
- 2019-11-04
- Assigning CNA
- juniper
- Record state
- PUBLISHED
- Severity
- High (CVSS 8.3)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L
- Weaknesses
- CWE-362Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')Class
- Data version
- 5.1
- Document digest
- 4fd7a36c28edce4f0d9a4c7ac8bc1c1efa8eff12b53f762972391a57c4b99fc6
05 Affected products
VendorProductVersionsPlatforms
Juniper NetworksJunos OS17.3 to < 17.3R3-S8, 18.3 to < 18.3R3-S1, 18.4 to < 18.4R3, 19.1 to < 19.1R3, 19.2 to < 19.2R2, 19.3 to < 19.3R3MX Series
06 References
- kb.juniper.nethttps://kb.juniper.net/JSA11054
07 Remediation
The following software releases have been updated to resolve this specific issue: Junos OS 17.3R3-S8, 18.3R3-S1, 18.4R3, 19.1R3, 19.2R2, 19.3R3, 19.4R1 and all subsequent releases.