What is CVE-2013-2763?

CVE-2013-2763 is a vulnerability in Schneider-Electric Modicon M340 Bmx Noc 0401, classified under Uncontrolled Resource Consumption. Published 2013-04-04.

Is CVE-2013-2763 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Resource exhaustion in Schneider-Electric Modicon M340 Bmx Noc 0401

CVE-2013-2763

The Schneider Electric M340 PLC modules allow remote attackers to cause a denial of service (resource consumption) via unspecified vectors. NOTE: the vendor reportedly disputes this issue because it "could not be duplicated" and "an attacker could not remotely exploit this observed behavior to deny PLC control functions.

Vulnerability class: DoS (Denial of Service)

Published 2013-04-04 · last modified 2026-06-16.

CVSS v2 metric

CVSS v2 base score 5.0 (Medium). Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.

EPSS exploit prediction

EPSS: 0.021 (81.3th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 81st percentile — 81.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.021 · newest: 0.021 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-400 — Uncontrolled Resource Consumption

Public proof-of-concept exploits

n0-traces/cve_

References

ics-cert.us-cert.gov/pdf/ICSA-13-077-01A.pdf (US Government Resource, Third Party Advisory, Broken Link)

Frequently asked questions

What is CVE-2013-2763?: CVE-2013-2763 is a vulnerability in Schneider-Electric Modicon M340 Bmx Noc 0401, classified under Uncontrolled Resource Consumption. Published 2013-04-04.
Is CVE-2013-2763 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.