CVE-2019-6848

A CWE-755: Improper Handling of Exceptional Conditions vulnerability exists in Modicon M580 CPU (BMEx58*) and Modicon M580 communication module (BMENOC0311, BMENOC0321) (see notification for version info), which could cause a Denial of Service attack on the PLC when sending specific data on the REST API of the controller/communication module.

Published: 2019-10-29 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2019-6848 is rated High Risk (73.7/100): CVSS High severity, with high exploitation likelihood (EPSS 32.97%, 98th percentile). EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +30.30% over the last day, indicating growing attacker interest. High exploitation likelihood—assess exposure and prioritize remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2019-6848

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 2.67% 32.97% +30.30%
2 2026-05-23 0.46% 2.67% +2.21%
3 2025-11-21 — 0.46% —

Full EPSS history (13 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2019-6848

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
8.6 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:C)
Breaking this can reach past the original component and bite other resources—bigger blast radius.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 3.9 4.0 [email protected]
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2019-6848

Affected software / configurations for CVE-2019-6848

Vendor Product Version Raw CPE
schneider-electric modicon_m580_firmware — cpe:2.3:o:schneider-electric:modicon_m580_firmware:-:*:*:*:*:*:*:*
schneider-electric modicon_bmenoc_0311_firmware — cpe:2.3:o:schneider-electric:modicon_bmenoc_0311_firmware:-:*:*:*:*:*:*:*
schneider-electric modicon_bmenoc_0321_firmware — cpe:2.3:o:schneider-electric:modicon_bmenoc_0321_firmware:-:*:*:*:*:*:*:*

References for CVE-2019-6848

cvelogic Threat Intelligence