CVE detail
CVE-2018-7789
An Improper Check for Unusual or Exceptional Conditions vulnerability exists in Schneider Electric's Modicon M221 product (all references, all versions prior to firmware V1.6.2.0). The vulnerability allows unauthorized users to remotely reboot Modicon M221 using crafted programing protocol frames.
Buzz score
Why this CVE is surfacing
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 6.5 · KEV 0.0 · OTX 0.0 · PoC 0.0
Why it matters now
Mention timeline
- Total mentions
- 0
- within the 30d window
- Peak daily
- 0
- highest bucket
Evidence
Source links by recency
3 source links · newest first
While the Common Vulnerability Scoring System (CVSS) can be useful for rating vulnerabilities, the scores assigned to flaws affecting industrial control systems (ICS) may be misleading, which can have negative consequences for organizations, particularly if they rely solely on CVSS for prioritizing patches.
newswww.securityweek.comNov 16, 2018, 5:59 AMA vulnerability in the Schneider Electric Modicon M221, a programmable logic controller (PLC) deployed in commercial industrial facilities worldwide, can be exploited to remotely disconnected the device from communicating in the ICS network. Schneider Electric Modicon M221 “An unauthorized user could have easily exploited this vulnerability to execute a synchronized attack and cause a number of these controllers to stop communicating. This type of unauthorized action would allow a cyber-attacker to massively disconnect the effected … More →
newswww.helpnetsecurity.comSep 6, 2018, 2:05 PMA vulnerability discovered in some of Schneider Electric’s Modicon programmable logic controllers (PLCs) may allow malicious actors to cause significant disruption to industrial control systems (ICS).
newswww.securityweek.comSep 6, 2018, 11:25 AM
Exploit code
Public exploit repository references
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0 repository references · best confidence N/A · max 0 stars
Related records
Similar CVEs
6 related CVEs with shared weakness or product evidence
- CVE-2020-28214CVSS 5.5 · Medium
A CWE-760: Use of a One-Way Hash with a Predictable Salt vulnerability exists in Modicon M221 (all references, all versions), that could allow an attacker to pre-compute the hash…
- CVE-2020-7568CVSS 4.3 · Medium
A CWE-200: Exposure of Sensitive Information to an Unauthorized Actor vulnerability exists in Modicon M221 (all references, all versions) that could allow non sensitive informatio…
- CVE-2020-7567CVSS 5.7 · Medium
A CWE-311: Missing Encryption of Sensitive Data vulnerability exists in Modicon M221 (all references, all versions) that could allow the attacker to find the password hash when th…
- CVE-2020-7566CVSS 7.3 · High
A CWE-334: Small Space of Random Values vulnerability exists in Modicon M221 (all references, all versions) that could allow the attacker to break the encryption keys when the att…
- CVE-2020-7565CVSS 7.3 · High
A CWE-326: Inadequate Encryption Strength vulnerability exists in Modicon M221 (all references, all versions) that could allow the attacker to break the encryption key when the at…
- CVE-2020-7489CVSS 9.8 · Critical
A CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') vulnerability exists on EcoStruxure Machine Expert – Basic or SoMachin…