A CWE-248: Uncaught Exception vulnerability exists IN Modicon M580 all versions prior to V2.80, which could cause a possible denial of serv…

published 2019-09-17 7 y ago modified 2026-06-17 4 mo ago also EUVD-2019-16384

cvss: 5.9; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 1.1%; EPSS 1.1% chance of exploitation in 30 days, percentile 65%
public exploits: 0; none known

A CWE-248: Uncaught Exception vulnerability exists IN Modicon M580 all versions prior to V2.80, which could cause a possible denial of service when sending an appropriately timed HTTP request to the controller.

Patch / fix

fixed in 1

schneider-electric modicon_m580_firmware 2.80

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-25-114-01 updated 2026-04-23 cvss 5.9

Schneider Electric Modicon Controllers (Update A)

Schneider Electric Modicon M580 Controller Modicon M580 Firmware < 2.80
affected: vendor fix, mitigation se.com
Schneider Electric Modicon M580 Controller Modicon M580 Firmware 4.20
fixed

Facts from CISA's republication of the vendor's own advisory (CSAF); the linked advisory is the authoritative source. CISA notification · csaf

Exploit prediction

1.10% chance of exploitation in the next 30 days, higher than 65% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
NVD	3.1	5.9	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD	2.0	7.1	AV:N/AC:M/Au:N/C:N/I:N/A:C

Affected products

Schneider Electric SE Modicon M580

Classification

Weakness

CWE-248 Uncaught Exception
CWE-755 Improper Handling of Exceptional Conditions

References

schneider-electric.com /en/download/document/SEVD-2019-134-11/
vendor-advisory

Sources

CVE List CVE-2019-6830
NVD CVE-2019-6830

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary