SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2020-7487

A CWE-345: Insufficient Verification of Data Authenticity vulnerability exists which could allow the attacker to execute malicious code on the Modicon M218, M241, M251, and M258 controllers.

CRITICAL 9.8EPSS 0.69%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.69%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

A CWE-345: Insufficient Verification of Data Authenticity vulnerability exists which could allow the attacker to execute malicious code on the Modicon M218, M241, M251, and M258 controllers.

CVSS 3.1
9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
0.69% probability · 51th percentile
CISA KEV
Not listed
Weakness
CWE-345
Affected
schneider-electric/ecostruxure machine expert · schneider-electric/somachine · schneider-electric/somachine motion · schneider-electric/modicon m218 firmware · schneider-electric/modicon m241 firmware · schneider-electric/modicon m251 firmware · schneider-electric/modicon m258 firmware
Source
cybersecurity@se.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.