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01 Record

CVE-2020-1637

Junos OS: SRX Series: Unified Access Control (UAC) bypass vulnerability

HighPUBLISHEDCNA: juniper
CNA base score7.2 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

02 Description

Junos OS: SRX Series: Unified Access Control (UAC) bypass vulnerability

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
0.82% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 57.1% of scored records. A rank, not a probability.
NVD base score
6.5 (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:L/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
2020-04-08 19:26Z6 YR AGO
Last updated
2024-09-16 23:41Z2 YR AGO
Reserved
2019-11-04
Assigning CNA
juniper
Record state
PUBLISHED
Severity
High (CVSS 7.2)
CNA CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
Weaknesses
  • CWE-288Authentication Bypass Using an Alternate Path or ChannelBase
  • CWE-287Improper AuthenticationClass
Data version
5.1
Document digest
c44463fa0f4640e1c30c3b733bc3a399b1c3445d5a62cc0e0021d30acfc7de0a

05 Affected products

VendorProductVersionsPlatforms
Juniper NetworksJunos OS12.3X48 to < 12.3X48-D100, 15.1X49 to < 15.1X49-D210, 17.3 to < 17.3R2-S5, 17.3R3-S8, 17.4 to < 17.4R2-S9, 17.4R3-S1, 18.1 to < 18.1R3-S10, 18.2 to < 18.2R2-S7, 18.2R3-S3, 18.3 to < 18.3R1-S7, 18.3R3-S2, 18.4 to < 18.4R1-S6, 18.4R2-S4, 18.4R3-S1, 19.1 to < 19.1R1-S4, 19.1R2-S1, 19.1R3, 19.2 to < 19.2R1-S3, 19.2R2, 19.3 to < 19.3R2-S1, 19.3R3, 19.4 to < 19.4R1-S1, 19.4R2SRX Series

06 References

07 Remediation

The following software releases have been updated to resolve this specific issue: 12.3X48-D100, 15.1X49-D210, 16.1R7-S7, 17.3R2-S5, 17.3R3-S8, 17.4R2-S9, 17.4R3-S1, 18.1R3-S10, 18.2R3-S3, 18.3R1-S7, 18.3R3-S2, 18.4R1-S6, 18.4R2-S4, 18.4R3-S1, 19.1R1-S4, 19.1R2-S1, 19.1R3, 19.2R1-S3, 19.2R2, 19.3R2-S1, 19.3R3, 19.4R1-S1, 19.4R2, 20.1R1, and all subsequent releases.