CVE-2020-7537

CWE-7544 documents4 sources
Severity
7.5HIGH
EPSS
0.4%
top 40.02%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
16
Schneider-electric Modicon M340 Bmxp341000 FirmwareSchneider-electric Modicon M340 Bmxp342000 FirmwareSchneider-electric Modicon M340 Bmxp3420102 Firmware+13 more
Timeline
PublishedDec 11
Latest updateDec 10

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages16 packages

🔴Vulnerability Details

3
OSV
dogtag-pki vulnerabilities↗2024-12-10
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GHSA
GHSA-9vj3-52fm-gw3x: A CWE-754: Improper Check for Unusual or Exceptional Conditions vulnerability exists in Modicon M580, Modicon M340, Legacy Controllers Modicon Quantum↗2022-05-24
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CVEList
CVE-2020-7537: A CWE-754: Improper Check for Unusual or Exceptional Conditions vulnerability exists in Modicon M580, Modicon M340, Legacy Controllers Modicon Quantum↗2020-12-11
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CVE-2020-7537 (HIGH CVSS 7.5) | A CWE-754: Improper Check for Unusu | cvebase.io