CVE-2018-4859

Scalance M875 Firmware vulnerability

CVSS

7.2

EPSS

3.7%

EPSS pct

89th

Exploited

No known

A vulnerability has been identified in SCALANCE M875 (All versions). An authenticated remote attacker with access to the web interface (443/tcp), could execute arbitrary operating system commands. Successful exploitation requires that the attacker has network access to the web interface. The attacker must be authenticated as administrative user to exploit the security vulnerability. The vulnerability could allow an attacker to execute arbitrary code on the device. At the time of advisory publication no public exploitation of this security vulnerability was known.

Affected vendor

Siemens

Affected product

Scalance M875 Firmware

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Weakness type (CWE)

CWE-78 — OS Command Injection

Published

2018-06-26

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring high privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 3.7% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 89% of all scored CVEs.

Check your external exposure to CVE-2018-4859

Confirm whether Siemens Scalance M875 Firmware is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2018-4859.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2018-4859

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