7.5

CVE-2018-7833: schneider electric se embedded web servers in all modicon m340, premium, quantum plcs and bmxnor0200

CVSS: 7.5v3.0HighModified
Published 17-12-2018Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2018-7833 is a high (CVSS 7.5) vulnerability in schneider electric se embedded web servers in all modicon m340, premium, quantum plcs and bmxnor0200. EPSS estimates a 1.38% chance of exploitation in the next 30 days, higher than 71.6% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.0 (NVD)
EPSS score
1.38%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 17-12-2018
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

An Improper Check for Unusual or Exceptional Conditions vulnerability exists in the embedded web servers in all Modicon M340, Premium, Quantum PLCs and BMXNOR0200 where an unauthenticated user can send a specially crafted XML data via a POST request to cause the web server to become unavailable

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

1.38%

Chance of exploitation in the next 30 days

Percentile

72%

Versus all other CVEs

30-day change

0.00 pp

From 1.38% on 18-09-2026

18-09-202618-10-2026
EPSS score
1.38%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Schneider electric se1 product

1 vendor · 1 product

References

1 links