SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2018-7761

A vulnerability exists in the HTTP request parser in Schneider Electric's Modicon M340, Modicon Premium, Modicon Quantum PLC, BMXNOR0200 which could allow arbitrary code execution.

CRITICAL 9.8EPSS 2.14%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (2.14%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

A vulnerability exists in the HTTP request parser in Schneider Electric's Modicon M340, Modicon Premium, Modicon Quantum PLC, BMXNOR0200 which could allow arbitrary code execution.

CVSS 3.0
9.8 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
2.14% probability · 81th percentile
CISA KEV
Not listed
Weakness
CWE-20
Affected
schneider-electric/bmxnor0200 firmware · schneider-electric/bmxnor0200h firmware · schneider-electric/140cpu65150 firmware · schneider-electric/140cpu31110 firmware · schneider-electric/140cpu43412u firmware · schneider-electric/140cpu65160 firmware · schneider-electric/140cpu65260 firmware · schneider-electric/140cpu65860 firmware · schneider-electric/140cpu65160s firmware · schneider-electric/140cpu65150c firmware · schneider-electric/140cpu31110c firmware · schneider-electric/140cpu43412uc firmware · schneider-electric/140cpu65160c firmware · schneider-electric/140cpu65260c firmware · schneider-electric/140cpu65860c firmware · schneider-electric/modicon m340 bmxp341000 firmware · schneider-electric/modicon m340 bmxp342000 firmware · schneider-electric/modicon m340 bmxp3420102 firmware · schneider-electric/modicon m340 bmxp3420102cl firmware · schneider-electric/modicon m340 bmxp342020 firmware · +37 more
Source
cybersecurity@se.com

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