Motorola EBTS/MBTS Site Controller drops to debug prompt on unhandled exception.

published 2023-08-29 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-27860

cvss: 8.4; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.2%; EPSS 0.2% chance of exploitation in 30 days, percentile 10%
public exploits: 0; none known

Motorola EBTS/MBTS Site Controller drops to debug prompt on unhandled exception. The Motorola MBTS Site Controller exposes a debug prompt on the device's serial port in case of an unhandled exception. This allows an attacker with physical access that is able to trigger such an exception to extract secret key material and/or gain arbitrary code execution on the device.

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: total
Assessed: 2 y ago (2024-10-01)

Exploit prediction

0.21% chance of exploitation in the next 30 days, higher than 10% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	8.4	CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:H/RL:U/RC:C/CR:H/IR:H/AR:M/MAV:L/MAC:L/MPR:N/MUI:N/MS:U/MC:H/MI:H/MA:H
CNA	3.1	8.4	CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD	3.1	8.4	CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Motorola EBTS/MBTS Base Radio
motorola ebts_mbts_base_radio

Classification

Weakness

CWE-248 Uncaught Exception
CWE-755 Improper Handling of Exceptional Conditions

References

tetraburst.com /
related, not-applicable

Sources

CVE List CVE-2023-23774
NVD CVE-2023-23774

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