Authorization Bypass Through User-Controlled Key in EuroTel ETL3100

published 2023-12-19 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-59127

cvss: 7.5; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.8%; EPSS 0.8% chance of exploitation in 30 days, percentile 57%
public exploits: 0; none known

EuroTel ETL3100 versions v01c01 and v01x37 are vulnerable to insecure direct object references that occur when the application provides direct access to objects based on user-supplied input. As a result of this vulnerability, attackers can bypass authorization, access the hidden resources on the system, and execute privileged functionalities.

Vendor advisories

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

cisa ICSA-23-353-05 updated 2023-12-19 cvss 7.5

EuroTel ETL3100 Radio Transmitter

EuroTel ETL3100 v01c01, v01x37
affected: mitigation eurotel.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: partial
Assessed: 18 mo ago (2025-05-06)

Exploit prediction

0.80% chance of exploitation in the next 30 days, higher than 57% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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

EuroTel ETL3100

Classification

Weakness

CWE-639 Authorization Bypass Through User-Controlled Key

References

cisa.gov /news-events/ics-advisories/icsa-23-353-05
government-resource, third-party-advisory, us-government-resource

Sources

CVE List CVE-2023-6929
NVD CVE-2023-6929

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