CVE-2018-7792

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Summary

CVECVE-2018-7792
StatePUBLISHED
Assignerschneider
Source PriorityCVE Program / NVD first with legacy fallback
Published2018-08-29 21:29:01 UTC
Updated2026-05-29 15:16:16 UTC
DescriptionA Permissions, Privileges, and Access Control 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 decode the password using rainbow table.

Risk And Classification

Primary CVSS: v3.1 7.5 HIGH from [email protected]

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS: 0.000930000 probability, percentile 0.259800000 (date 2026-06-02)

Problem Types: CWE-862 | CWE-327 | Permissions, Privileges, and Access Control | CWE-327 CWE-327 Use of a Broken or Risky Cryptographic Algorithm

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
3.1ADPDECLARED7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
2.0[email protected]Primary5AV:N/AC:L/Au:N/C:P/I:N/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
None
Availability
None

AV:N/AC:L/Au:N/C:P/I:N/A:N

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Hardware Schneider-electric Modicon M221 - All All All
Operating System Schneider-electric Modicon M221 Firmware All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Schneider Electric SE Modicon M221 All References All Versions Prior To Firmware V1.6.2.0 affected Modicon M221, all references, all versions prior to firmware V1.6.2.0 Not specified

References

ReferenceSourceLinkTags
Schneider Electric Modicon M221 Multiple Security Bypass Vulnerabilities af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com Third Party Advisory, VDB Entry
Security Notification - Modicon M221 | Schneider Electric af854a3a-2127-422b-91ae-364da2661108 www.schneider-electric.com Mitigation, Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 590483 Schneider Electric Modicon M221 Multiple Vulnerabilities (ICSA-18-240-02,ICSA-18-240-01)
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