CVE-2020-7539High
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 the Web Server on Modicon M340, Legacy Offers Modico…
CVSS
7.5
High
EPSS
0.01
p62
Published
2020-01-01
Updated
2020-01-01
Description
A CWE-754 Improper Check for Unusual or Exceptional Conditions vulnerability exists in the Web Server on Modicon M340, Legacy Offers Modicon Quantum and Modicon Premium and associated Communication Modules (see security notification for affected versions), that could cause a denial of service vulnerability when a specially crafted packet is sent to the controller over HTTP.
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_firmware140noc77101_firmware140noc78000_firmware140noc78100_firmware140noe77111_firmwareBmxnoc0401_firmwareBmxnoe0100_firmwareBmxnoe0110_firmwareModicon_m340_bmxp341000_firmwareModicon_m340_bmxp342000_firmwareModicon_m340_bmxp3420102_firmwareModicon_m340_bmxp3420102cl_firmwareModicon_m340_bmxp342020_firmwareModicon_m340_bmxp3420302_firmwareModicon_m340_bmxp3420302cl_firmwareTsxety4103_firmwareTsxety5103_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
0.011 · p62
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 |
| 140noc77101_firmware | * | Tracked |
| 140noc78000_firmware | * | Tracked |
| 140noc78100_firmware | * | Tracked |
| 140noe77111_firmware | * | Tracked |
| bmxnoc0401_firmware | * | Tracked |
| bmxnoe0100_firmware | * | Tracked |
| bmxnoe0110_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 |
| tsxety4103_firmware | * | Tracked |
| tsxety5103_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 →Related vulnerabilities