01 Record
CVE-2020-1680
Junos OS: MX Series: MS-MPC/MIC might crash when processing malformed IPv6 packet in NAT64 configuration.
MediumPUBLISHEDCNA: juniper
CNA base score5.3 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
02 Description
Junos OS: MX Series: MS-MPC/MIC might crash when processing malformed IPv6 packet in NAT64 configuration.
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
- 1.31% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 70.2% of scored records. A rank, not a probability.
- NVD base score
- 5.3 (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:L
- 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
- 2024-09-17 00:55Z2 YR AGO
- Reserved
- 2019-11-04
- Assigning CNA
- juniper
- Record state
- PUBLISHED
- Severity
- Medium (CVSS 5.3)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
- Weaknesses
- CWE-131Incorrect Calculation of Buffer SizeBase
- Data version
- 5.1
- Document digest
- fda7b6bf683fe49f29db22d7e6a486ab6249504f6bf96b4eb8ad11f4f6d53e30
05 Affected products
VendorProductVersionsPlatforms
Juniper NetworksJunos OS15.1 to < 15.1R7-S7, 15.1X53 to < 15.1X53-D593, 16.1 to < 16.1R7-S8, 17.2 to < 17.2R3-S4, 17.3 to < 17.3R3-S6, 17.4 to < 17.4R2-S11, 17.4R3, 18.1 to < 18.1R3-S11, 18.2 to < 18.2R3-S6, 18.2X75 to < 18.2X75-D41, 18.2X75-D430, 18.2X75-D53, 18.2X75-D65, 18.3 to < 18.3R2-S4, 18.3R3, 18.4 to < 18.4R2-S5, 18.4R3, 19.1 to < 19.1R2, 19.2 to < 19.2R1-S5, 19.2R2, 19.3 to < 19.3R2MX Series
06 References
- kb.juniper.nethttps://kb.juniper.net/JSA11077
07 Remediation
The following software releases have been updated to resolve this specific issue: Junos OS 15.1R7-S7, 15.1X53-D593, 16.1R7-S8, 17.2R3-S4, 17.3R3-S6, 17.4R2-S11, 17.4R3, 18.1R3-S11, 18.2R3-S6, 18.2X75-D41, 18.2X75-D430, 18.2X75-D53, 18.2X75-D65, 18.3R2-S4, 18.3R3, 18.4R2-S5, 18.4R3, 19.1R2, 19.2R1-S5, 19.2R2, 19.3R2, 19.4R1, and all subsequent releases.