CSRF in Siemens Scalance M875

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.

Vulnerability class: Buffer Overflow

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.006 (45.9th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 46th percentile — 45.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2018-11447: held from 0.006 to 0.006.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2018-11447?
CVE-2018-11447 is a high-severity vulnerability in Siemens Scalance M875, classified under Stack-based Buffer Overflow. CVSS score: 8.8/10. Published 2018-06-26.
How severe is CVE-2018-11447?
High severity. CVSS v3 base score is 8.8 out of 10.