A Cross-Site Request Forgery (CSRF) issue was discovered in Westermo MRD-305-DIN versions older than 1.7.5.0, and MRD-315, MRD-355, MRD-455…

published 2017-08-25 9 y ago modified 2026-06-17 4 mo ago also EUVD-2017-4242

cvss: 8.8; version 3.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 0.6%; EPSS 0.6% chance of exploitation in 30 days, percentile 51%
public exploits: 0; none known

A Cross-Site Request Forgery (CSRF) issue was discovered in Westermo MRD-305-DIN versions older than 1.7.5.0, and MRD-315, MRD-355, MRD-455 versions older than 1.7.5.0. The application does not verify whether a request was intentionally provided by the user, making it possible for an attacker to trick a user into making a malicious request to the server.

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-17-236-01 updated 2017-08-24 cvss 8.8

ICSA-17-236-01_Westermo MRD-305-DIN, MRD-315, MRD-355, and MRD-455

Westermo MRD-305-DIN > 1.7.5.0 Westermo MRD-315 MRD-355 MRD-455 > 1.7.5.0
affected: mitigation “Westermo recommends that users update to the latest firmware version 1.7.7.0. The new version can be downloaded at:”

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

Exploit prediction

0.64% chance of exploitation in the next 30 days, higher than 51% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
NVD	3.0	8.8	CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD	2.0	6.8	AV:N/AC:M/Au:N/C:P/I:P/A:P

Affected products

n/a Westermo MRD-305-DIN, MRD-315, MRD-355, and MRD-455

Classification

Weakness

CWE-352 Cross-Site Request Forgery

References

ics-cert.us-cert.gov /advisories/ICSA-17-236-01
third-party-advisory, us-government-resource
securityfocus.com /bid/100470
vdb-entry, third-party-advisory

Sources

CVE List CVE-2017-12703
NVD CVE-2017-12703

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary