Improper Access Control In TELSAT MarKoni FM Transmitter

published 2024-06-27 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-37926

cvss: 9.8; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 0.5%; EPSS 0.5% chance of exploitation in 30 days, percentile 40%
public exploits: 0; none known

TELSAT marKoni FM Transmitters are vulnerable to users gaining unauthorized access to sensitive information or performing actions beyond their designated permissions.

Patch / fix

fixed in 4

marKoni Markoni-D (Compact) FM Transmitters 2.0.1
marKoni Markoni-DH (Exciter+Amplifiers) FM Transmitters 2.0.1
markoni markoni-d_fm_transmitter 2.0.1
markoni markoni-dh_fm_transmitter 2.0.1

Vendor advisories

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

cisa ICSA-24-179-01 updated 2024-06-27 cvss 9.8

TELSAT marKoni FM Transmitter

Markoni-D (Compact) FM Transmitters <2.0.1 Markoni-DH (Exciter+Amplifiers) FM Transmitters <2.0.1
affected: mitigation “Markoni has released the following version to remediate these vulnerabilities:” markoni.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: yes
Technical impact: total
Assessed: 2 y ago (2024-06-27)

Exploit prediction

0.47% chance of exploitation in the next 30 days, higher than 40% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	4.0	9.3	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CNA	4.0	9.3	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/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
NVD	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

marKoni Markoni-D (Compact) FM Transmitters
marKoni Markoni-DH (Exciter+Amplifiers) FM Transmitters
markoni markoni-d_fm_transmitter
markoni markoni-dh_fm_transmitter

Classification

Weakness

CWE-284 Improper Access Control

References

cisa.gov /news-events/ics-advisories/icsa-24-179-01
government-resource, third-party-advisory, us-government-resource

Sources

CVE List CVE-2024-39376
NVD CVE-2024-39376

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