CVE-2018-11447

CVE-2018-11447 is a high-severity vulnerability in Siemens Scalance M875 Firmware with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-352.

Key facts

Description

A vulnerability has been identified in SCALANCE M875 (All versions). The web interface on port 443/tcp could allow a Cross-Site Request Forgery (CSRF) attack if an unsuspecting user is tricked into accessing a malicious link. Successful exploitation requires user interaction by an legitimate user, who must be authenticated to the web interface as administrative user. A successful attack could allow an attacker to interact with the web interface as an administrative user. This could allow the attacker to read or modify the device configuration, or to exploit other vulnerabilities that require authentication as administrative user. At the time of advisory publication no public exploitation of this security vulnerability was known.

Frequently asked questions

What is CVE-2018-11447?
A vulnerability has been identified in SCALANCE M875 (All versions). The web interface on port 443/tcp could allow a Cross-Site Request Forgery (CSRF) attack if an unsuspecting user is tricked into accessing a malicious link. Successful exploitation requires user interaction by an legitimate user, who must be authenticated to the web interface as administrative user. A successful attack could allow an attacker to interact with the web interface as an administrative user. This could allow the attacker to read or modify the device configuration, or to exploit other vulnerabilities that require authentication as administrative user. At the time of advisory publication no public exploitation of this security vulnerability was known.
How severe is CVE-2018-11447?
CVE-2018-11447 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-11447 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-11447?
CVE-2018-11447 affects Siemens Scalance M875 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-11447?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2018-11447 published?
CVE-2018-11447 was published on 2018-06-26 and last updated on 2026-06-17.

References

Affected products (1)

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