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CVE-2018-7790

CRITICAL

9.8

Description

An Information Management Error 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 replay authentication sequences. If an attacker exploits this vulnerability and connects to a Modicon M221, the attacker can upload the original program from the PLC.

CVE Details

CVSS v3.1 Score9.8

SeverityCRITICAL

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

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published8/29/2018

Last Modified11/21/2024

Sourcenvd

Honeypot Sightings0

Affected Products

schneider-electric:modicon_m221schneider-electric:modicon_m221_firmware

Weaknesses (CWE)

CWE-294

References

http://www.securityfocus.com/bid/105182(cybersecurity@se.com)

https://www.schneider-electric.com/en/download/document/SEVD-2018-235-01/(cybersecurity@se.com)

http://www.securityfocus.com/bid/105182(af854a3a-2127-422b-91ae-364da2661108)

https://www.schneider-electric.com/en/download/document/SEVD-2018-235-01/(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.