01 Record
CVE-2020-7523
Improper Privilege Management vulnerability exists in Schneider Electric Modbus Serial Driver (see security notification for versions) which could cause local privilege escalation when the Modbus
UnratedPUBLISHEDCNA: schneider
CNA base scoreUnratedNo CNA CVSS vector
02 Description
Improper Privilege Management vulnerability exists in Schneider Electric Modbus Serial Driver (see security notification for versions) which could cause local privilege escalation when the Modbus
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
- 0.19% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 9.0% of scored records. A rank, not a probability.
- NVD base score
- 7.8 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/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
- 2020-08-31 16:11Z6 YR AGO
- Last updated
- 2024-08-04 09:33Z2 YR AGO
- Reserved
- 2020-01-21
- Assigning CNA
- schneider
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-269Improper Privilege ManagementClass
- Data version
- 5.1
- Document digest
- 05cf55ed8ab9e95081966e416e909d3c109ca2e43f31de6bd4dc13037d18f6a0
05 Affected products
VendorProductVersionsPlatforms
n/aSchneider Electric Modbus Serial Driver (64 bits) versions prior to V3.20 IE 30, Schneider Electric Modbus Serial Driver (32 bits) versions prior to V2.20 IE 30, and Schneider Electric Modbus Driver Suite versions prior to V14.15.0.0Schneider Electric Modbus Serial Driver (64 bits) versions prior to V3.20 IE 30, Schneider Electric Modbus Serial Driver (32 bits) versions prior to V2.20 IE 30, and Schneider Electric Modbus Driver Suite versions prior to V14.15.0.1—