01 Record
CVE-2020-1647
Junos OS: SRX Series: Double free vulnerability can lead to DoS or remote code execution due to the processing of a specific HTTP message when ICAP redirect service is enabled
CriticalPUBLISHEDCNA: juniper
CNA base score9.8 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
02 Description
Junos OS: SRX Series: Double free vulnerability can lead to DoS or remote code execution due to the processing of a specific HTTP message when ICAP redirect service is enabled
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
- 2.64% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 85.3% of scored records. A rank, not a probability.
- NVD base score
- 9.8 (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:U/C:H/I:H/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
- 2020-07-17 18:40Z6 YR AGO
- Last updated
- 2024-09-17 01:00Z2 YR AGO
- Reserved
- 2019-11-04
- Assigning CNA
- juniper
- Record state
- PUBLISHED
- Severity
- Critical (CVSS 9.8)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-415Double FreeVariant
- Data version
- 5.1
- Document digest
- f3383323b103d9a510f5faa5be67530f6beefd5cf9b00ad9318cf844f1062e9f
05 Affected products
VendorProductVersionsPlatforms
Juniper NetworksJunos OS18.1 to < 18.1R3-S9, 18.2 to < 18.2R3-S3, 18.3 to < 18.3R2-S4, 18.3R3-S1, 18.4 to < 18.4R2-S5, 18.4R3, 19.1 to < 19.1R2, 19.2 to < 19.2R1-S2, 19.2R2, 19.3 to < 19.3R2SRX Series
06 References
- kb.juniper.nethttps://kb.juniper.net/JSA11034
07 Remediation
The following software releases have been updated to resolve this specific issue: 18.1R3-S9, 18.2R3-S3, 18.3R2-S4, 18.3R3-S1, 18.4R2-S5, 18.4R3, 19.1R2, 19.2R1-S2, 19.2R2, 19.3R2, 19.4R1, and all subsequent releases.