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CVE mentions, exploit signals, and PoC evidence in one fast public view.

CVE detail

CVE-2020-7537

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 7.5 · HighBuzz score 21.9

Buzz score

Why this CVE is surfacing

Buzz score total 21.9

This all-time snapshot uses the same composite formula as Trending across a 30-year evidence window, rather than a current rolling window.

Buzz score components · mention 13.9 · diversity 8.0 · KEV 0.0 · OTX 0.0 · PoC 0.0
Mention score
13.9
3 evidence mentions in the snapshot
Diversity score
8.0
3 sources across 1 categories
KEV score
0.0
No KEV entry observed
OTX score
0.0
0 OTX pulses
PoC score
0.0
0 repos · best confidence N/A
Best PoC traction
0
Maximum stars on a matched PoC repo

Why it matters now

Mention timeline

Total mentions
0
within the 30d window
Peak daily
0
highest bucket

Evidence

Source links by recency

Newest mentions first
3 source links · newest first
  • ModiPwn flaw in Modicon PLCs bypasses security mechanismsSecurity Affairs

    ModiPwn flaw (CVE-2021-22779) in some of Schneider Electric’s Modicon PLCs can allow attackers to bypass authentication mechanisms and take over the device. Researchers at IoT security firm Armis discovered an authentication bypass vulnerability, tracked as CVE-2021-22779 and dubbed ModiPwn, that affects some of Schneider Electric ’s Modicon PLCs. The flaw can be exploited by an unauthenticated attacker […]

    newssecurityaffairs.comJul 13, 2021, 2:20 PM
  • Critical Vulnerability Can Be Exploited to Hack Schneider Electric’s Modicon PLCsSecurityWeek

    A vulnerability affecting some of Schneider Electric’s Modicon programmable logic controllers (PLCs) can be exploited to bypass authentication mechanisms, allowing attackers to take complete control of the targeted device.

    newswww.securityweek.comJul 13, 2021, 11:10 AM
  • Authentication bypass allows complete takeover of Modicon PLCs used across industriesCSO Online

    Several programmable logic controllers (PLCs) from Schneider Electric’s Modicon series that automate industrial processes in factories, energy utilities, HVAC systems and other installations are impacted by a flaw that could allow hackers to bypass their authentication mechanism and execute malicious code. According to researchers from security firm Armis, who found and reported the vulnerability, attackers […]

    newswww.csoonline.comJul 13, 2021, 4:01 AM

Exploit code

Public exploit repository references

Public PoC repositories are third-party, potentially unsafe artifacts. Treat their code as untrusted and use it only on authorized systems in an isolated, least-privilege environment. cvebuzz does not execute the code or verify that an exploit works.

0 repository references · best confidence N/A · max 0 stars
No public PoC repositories have been matched yet.

Related records

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