CVE-2018-7791

CWE-287 — Improper Authentication3 documents3 sources

Severity

9.8CRITICAL

EPSS

0.4%

top 42.26%

CISA KEV

Not in KEV

Exploit

No known exploits

Affected products

Schneider-electric Modicon M221 Firmware

Timeline

PublishedAug 29

Latest updateMay 13

Description

A 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 overwrite the original password with their password. If an attacker exploits this vulnerability and overwrite the password, the attacker can upload the original program from the PLC.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9

Affected Packages1 packages

▶NVDschneider-electric/modicon_m221_firmware< 1.6.2.0

🔴Vulnerability Details

GHSA

GHSA-ppc6-q8hw-556j: A Permissions, Privileges, and Access Control vulnerability exists in Schneider Electric's Modicon M221 product (all references, all versions prior to↗2022-05-13

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CVEList

CVE-2018-7791: A Permissions, Privileges, and Access Control vulnerability exists in Schneider Electric's Modicon M221 product (all references, all versions prior to↗2018-08-29

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