8.6

CVE-2018-13807: siemens ag scalance x300, scalance x408, scalance x414 Improper Input Validation

CVSS: 8.6v3.0HighModified
Published 12-09-2018Last modified 17-09-2024

Vulnerability summary

CVE-2018-13807 is a high (CVSS 8.6) Improper Input Validation vulnerability in siemens ag scalance x300, scalance x408, scalance x414. EPSS estimates a 4.18% chance of exploitation in the next 30 days, higher than 90.8% of scored vulnerabilities.

Overall risk
35/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.6/10
010
High · v3.0 (NVD)
EPSS score
4.18%
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. 12-09-2018
    PublishedVulnerability first disclosed.
  2. 17-09-2024
    Last modifiedVulnerability information updated.

Description

A vulnerability has been identified in SCALANCE X300 (All versions < V4.0.0), SCALANCE X408 (All versions < V4.0.0), SCALANCE X414 (All versions). The web interface on port 443/tcp could allow an attacker to cause a Denial-of-Service condition by sending specially crafted packets to the web server. The device will automatically reboot, impacting network availability for other devices. An attacker must have network access to port 443/tcp to exploit the vulnerability. Neither valid credentials nor interaction by a legitimate user is required to exploit the vulnerability. There is no confidentiality or integrity impact, only availability is temporarily impacted. This vulnerability could be triggered by publicly available tools.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

4.18%

Chance of exploitation in the next 30 days

Percentile

91%

Versus all other CVEs

30-day change

0.00 pp

From 4.18% on 19-09-2026

19-09-202619-10-2026
EPSS score
4.18%

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

Siemens3 products
Siemens ag1 product

2 vendors · 4 products

References

3 links