CVE-2020-7542High
CVE
CVE
National Vulnerability Database
NVD is the U.S. government repository of standards-based vulnerability management data, built on top of the MITRE CVE list. Every record includes CPE applicability statements, CVSS v2 and v3.x base scores, CWE mappings and cross-references to advisories.
Region
US
Updates
15 min
License
Public Domain
Comprehensive catalog of publicly disclosed vulnerabilities with CPE matches, CVSS scoring and reference URLs. De-facto standard for cross-vendor correlation.
https://nvd.nist.gov →Share link
Anyone with the link can open this vulnerability.
A CWE-754: Improper Check for Unusual or Exceptional Conditions vulnerability exists in Modicon M580, Modicon M340, Legacy Controllers Modi…
CVSS
7.5
High
EPSS
0.01
p66
Published
2020-01-01
Updated
2020-01-01
Description
A CWE-754: Improper Check for Unusual or Exceptional Conditions vulnerability exists in Modicon M580, Modicon M340, Legacy Controllers Modicon Quantum & Modicon Premium (see security notifications for affected versions), that could cause denial of service when a specially crafted Read Physical Memory request over Modbus is sent to the controller.
Tags · CWE
Pre-auth
CWE-754
CWE-754ClassIncomplete
Improper Check for Unusual or Exceptional Conditions
The product does not check or incorrectly checks for unusual or exceptional conditions that are not expected to occur frequently during day to day operation of the product.
https://cwe.mitre.org/data/definitions/754.html →Open in CWE collection →Affected products
140cpu65150_firmwareModicon_m340_bmxp341000_firmwareModicon_m340_bmxp342000_firmwareModicon_m340_bmxp3420102_firmwareModicon_m340_bmxp3420102cl_firmwareModicon_m340_bmxp342020_firmwareModicon_m340_bmxp3420302_firmwareModicon_m340_bmxp3420302cl_firmwareModicon_m580_bmep581020_firmwareModicon_m580_bmep582020_firmwareModicon_m580_bmep582040_firmwareModicon_m580_bmep583020_firmwareModicon_m580_bmep583040_firmwareModicon_m580_bmep584020_firmwareModicon_m580_bmep584040_firmwareModicon_m580_bmep585040_firmwareModicon_m580_bmep586040_firmwareTsxp574634_firmwareTsxp575634_firmwareTsxp576634_firmware
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Timeline
2020-01-01
Published
2020-01-01
Updated
CVSS 3.1 breakdown
Attack Vector
AV: N
Network (N)
Attack Complexity
AC: L
Low (L)
Privileges Required
PR: N
None (N)
User Interaction
UI: N
None (N)
Scope
S: U
Unchanged (U)
Confidentiality Impact
C: N
None (N)
Integrity Impact
I: N
None (N)
Availability Impact
A: H
High (H)
Exploit indicators
EPSS
0.013 · p66
Known exploited (KEV)
No
Known exploits — Сканер-ВС
No Сканер-ВС checks registered for this vulnerability yet.
Affected products
| Product | Vendor | Status |
|---|---|---|
| 140cpu65150_firmware | * | Tracked |
| modicon_m340_bmxp341000_firmware | * | Tracked |
| modicon_m340_bmxp342000_firmware | * | Tracked |
| modicon_m340_bmxp3420102_firmware | * | Tracked |
| modicon_m340_bmxp3420102cl_firmware | * | Tracked |
| modicon_m340_bmxp342020_firmware | * | Tracked |
| modicon_m340_bmxp3420302_firmware | * | Tracked |
| modicon_m340_bmxp3420302cl_firmware | * | Tracked |
| modicon_m580_bmep581020_firmware | * | Tracked |
| modicon_m580_bmep582020_firmware | * | Tracked |
| modicon_m580_bmep582040_firmware | * | Tracked |
| modicon_m580_bmep583020_firmware | * | Tracked |
| modicon_m580_bmep583040_firmware | * | Tracked |
| modicon_m580_bmep584020_firmware | * | Tracked |
| modicon_m580_bmep584040_firmware | * | Tracked |
| modicon_m580_bmep585040_firmware | * | Tracked |
| modicon_m580_bmep586040_firmware | * | Tracked |
| tsxp574634_firmware | * | Tracked |
| tsxp575634_firmware | * | Tracked |
| tsxp576634_firmware | * | Tracked |
Source databases
CVE
CVE
National Vulnerability Database
NVD is the U.S. government repository of standards-based vulnerability management data, built on top of the MITRE CVE list. Every record includes CPE applicability statements, CVSS v2 and v3.x base scores, CWE mappings and cross-references to advisories.
Region
US
Updates
15 min
License
Public Domain
Comprehensive catalog of publicly disclosed vulnerabilities with CPE matches, CVSS scoring and reference URLs. De-facto standard for cross-vendor correlation.
https://nvd.nist.gov →