7.5

CVE-2018-7812: 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-2018-7812 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 3.71% chance of exploitation in the next 30 days, higher than 89.6% of scored vulnerabilities.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.0 (NVD)
EPSS score
3.71%
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 Information Exposure through Discrepancy vulnerability exists in the embedded web servers in all Modicon M340, Premium, Quantum PLCs and BMXNOR0200 where the web server sends different responses in a way that exposes security-relevant information about the state of the product, such as whether a particular operation was successful or not.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

3.71%

Chance of exploitation in the next 30 days

Percentile

90%

Versus all other CVEs

30-day change

0.00 pp

From 3.71% on 19-09-2026

19-09-202619-10-2026
EPSS score
3.71%

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

2 links