Cross-Site Request Forgery (CSRF) vulnerability in TEM Opera Plus FM Family Transmitter

published 2024-10-03 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-39309

cvss: 8.6; version 4.0, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.2%; EPSS 0.2% chance of exploitation in 30 days, percentile 15%
public exploits: 0; none known

The TEM Opera Plus FM Family Transmitter application interface allows users to perform certain actions via HTTP requests without performing any validity checks to verify the requests. This can be exploited to perform certain actions with administrative privileges if a logged-in user visits a malicious web site.

Vendor advisories

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

cisa ICSA-24-277-01 updated 2024-10-03 cvss 9.6

TEM Opera Plus FM Family Transmitter

TEM Opera Plus FM Family Transmitter 35.45
affected: mitigation “TEM has not responded to requests to work with CISA to mitigate these vulnerabilities. Users of the affected products are encouraged to contact TEM for additional information.” tem-italy.it

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

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 2 y ago (2024-10-03)

Exploit prediction

0.24% chance of exploitation in the next 30 days, higher than 15% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	4.0	8.6	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CNA	4.0	8.6	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Affected products

TEM Opera Plus FM Family Transmitter

Classification

Weakness

CWE-352 Cross-Site Request Forgery

References

cisa.gov /news-events/ics-advisories/icsa-24-277-01
government-resource

Sources

CVE List CVE-2024-41987
NVD CVE-2024-41987

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