CVE-2018-7790

Common vulnerabilities & exposures (CVE)

CVE database CVE database blogpost Release & EoL database

Published at: - 29-08-2018 11:29

Last modified: - 03-02-2022 03:31

Total changes: - 5

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.

Common Vulnerability Scoring System (CVSS)

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

Low

Attack complexity

Network

Attack vector

High

Availability

High

Confidentiality

High

Integrity

None

Privileges required

Unchanged

Scope

None

User interaction

9.8

Base score

3.9

5.9

Exploitability score

Impact score

Verification logic

AND

vendor=schneider-electric AND product=modicon_m221_firmware AND versionEndExcluding=1.6.2.0

vendor=schneider-electric AND product=modicon_m221 AND version=-

Reference

https://www.schneider-electric.com/en/download/document/SEVD-2018-235-01/
105182-Third Party Advisory, VDB Entry

Keywords

CVE-2018-7790

Common vulnerabilities & exposures (CVE)

Description

Common Vulnerability Scoring System (CVSS)

Verification logic

Reference

NVD

CVE-2018-7790

CVE

Common vulnerabilities & exposures

CVSS

Common vulnerability scoring system

Security

Vulnerabilities

Exposures