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01 Record

CVE-2019-6843

A CWE-755: Improper Handling of Exceptional Conditions vulnerability exists in Modicon M580 with firmware (version prior to V3.10), Modicon M340 (all firmware versions), and Modicon BMxCRA and 140CRA

UnratedPUBLISHEDCNA: schneider
CNA base scoreUnratedNo CNA CVSS vector

02 Description

A CWE-755: Improper Handling of Exceptional Conditions vulnerability exists in Modicon M580 with firmware (version prior to V3.10), Modicon M340 (all firmware versions), and Modicon BMxCRA and 140CRA

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
0.95% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 61.1% of scored records. A rank, not a probability.
NVD base score
4.9 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2019-10-29 14:48Z7 YR AGO
Last updated
2024-08-04 20:31Z2 YR AGO
Reserved
2019-01-25
Assigning CNA
schneider
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
  • CWE-755Improper Handling of Exceptional ConditionsClass
Data version
5.1
Document digest
05f6f602598225c04193b37a4fb0d1d606d2c0ebfbcc2f84990beebbf26ff010

05 Affected products

VendorProductVersionsPlatforms
n/aModicon M580, Modicon M340, and Modicon BMxCRA / 140CRA modules (see notification for version info)Modicon M580, Modicon M340, and Modicon BMxCRA / 140CRA modules (see notification for version info)—

06 References