Security Resilience

CVE-2023-25620

Schneider-Electric Modicon M580 Firmware ≤ 4.10

Published
19 April 2023
Modified
21 November 2024
CVSS Score v3.1 6.5
Click a component to see what it means
Raw vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS Score 0.0059 47th percentile
Risk Priority 51 floored blend · peak EPSS

CVSS and EPSS are reproduced from their sources (NVD, FIRST EPSS). Risk Priority is our own derived reading, not an NVD score.

Summary

CVE-2023-25620 is a medium-severity Improper Check for Unusual or Exceptional Conditions (CWE-754) vulnerability in Schneider-Electric Modicon M580 Firmware. Its CVSS base score is 6.5 (Medium).

Operationally, ranked at the 47th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

OWASP Top 10 for Web (2025)

EU & UK References

Vulnerability Data

A CWE-754: Improper Check for Unusual or Exceptional Conditions vulnerability exists that could cause denial of service of the controller when a malicious project file is loaded onto the controller by an authenticated user.

CWE(s)

Related Threats

CVEs Like This One

CVE-2023-25619Same product: Schneider-Electric Bmeh58S
CVE-2024-5056Same product: Schneider-Electric Modicon M340
CVE-2026-9651Same vendor: Schneider-Electric
CVE-2023-5399Same vendor: Schneider-Electric
CVE-2023-29414Same vendor: Schneider-Electric
CVE-2026-2273Same vendor: Schneider-Electric
CVE-2023-25553Same vendor: Schneider-Electric
CVE-2024-0865Same vendor: Schneider-Electric
CVE-2023-25548Same vendor: Schneider-Electric
CVE-2023-27982Same vendor: Schneider-Electric

Affected Assets

schneider-electric
modicon m580 firmware
≤ 4.10
schneider-electric
modicon m340 firmware
≤ 3.51
schneider-electric
modicon momentum unity m1e processor firmware
all versions
schneider-electric
modicon mc80 firmware
all versions
schneider-electric
140cpu65 firmware
all versions
schneider-electric
tsxp57 firmware
all versions
schneider-electric
bmep58s firmware
all versions
schneider-electric
bmeh58s firmware
all versions

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-754

Requires detection and response to audit logging failures as an unusual or exceptional condition.

addresses: CWE-754

Implements detection of unusual or exceptional conditions followed by safe mode entry, reducing the window for exploitation of unchecked conditions.

addresses: CWE-754

Training ensures users perform required checks for unusual or exceptional conditions as part of contingency roles, limiting attacker leverage from skipped validations.

addresses: CWE-754

IR testing directly validates checks for unusual or exceptional conditions that could indicate security incidents.

addresses: CWE-754

Requires ongoing monitoring of organization-defined metrics and analysis, enabling checks for unusual or exceptional conditions.

addresses: CWE-754

Security testing routinely checks for unusual or exceptional inputs/conditions, identifying missing validation steps that flaw remediation then resolves.

addresses: CWE-754

Requires detection of unusual conditions followed by a controlled transition to the defined failure state.

addresses: CWE-754

MTTF determination forces explicit checks for conditions that precede predictable component failure.

Mitigating Controls (ISO/IEC 27001:2022 Annex A) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→ISO cross-walk (authority under review) — links open the control.

A.8.15 Logging partial match
finds

Logging can record unhandled exceptions but does not prevent the weakness itself.

finds

Monitoring may detect symptoms of unhandled conditions but does not eliminate the root weakness.

blocks

Secure development life cycle mandates exception handling and input validation that directly prevent missing checks for unusual conditions.

blocks

Application security requirements explicitly call for handling of exceptional conditions and error paths.

blocks

A.8.27 mandates security-by-design principles (fail securely, least privilege, distrust external input, security-oriented design reviews) that reach some but not most CWE-754 cases; many exceptional-condition checks live in low-level code paths outside architecture-level engineering.

prevents

Secure coding standards directly mandate proper checks for exceptional and unusual conditions.

Hardening callouts derived

DISA STIG baselines are authored against specific weaknesses. Where this CVE cites a broad weakness class, the mapping is not asserted at that abstraction (owner ruling, 2026-09-25: grade only at Base and below), so no rule is shown here rather than a rule shown against the wrong grain.

  • No fine-grained STIG row for CWE-754, a class-level weakness. Rules are authored against its narrower children: CWE-354.

References