Motorola MBTS Site Controller accepts hard-coded backdoor password.

published 2023-08-29 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-27856

cvss: 9.4; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.5%; EPSS 0.5% chance of exploitation in 30 days, percentile 45%
public exploits: 0; none known

Motorola MBTS Site Controller accepts hard-coded backdoor password. The Motorola MBTS Site Controller Man Machine Interface (MMI), allowing for service technicians to diagnose and configure the device, accepts a hard-coded backdoor password that cannot be changed or disabled.

CISA SSVC

Exploitation: none
Automatable: yes
Technical impact: total
Assessed: 2 y ago (2024-10-02)

Exploit prediction

0.54% chance of exploitation in the next 30 days, higher than 45% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	9.4	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H/E:H/RL:U/RC:C/CR:H/IR:H/AR:M/MAV:N/MAC:L/MPR:N/MUI:N/MS:U/MC:L/MI:H/MA:H
CNA	3.1	9.4	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/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

Motorola MBTS Site Controller
motorola mbts_site_controller

Classification

Weakness

CWE-259 Use of Hard-coded Password
CWE-798 Use of Hard-coded Credentials

References

tetraburst.com /
related, not-applicable

Sources

CVE List CVE-2023-23770
NVD CVE-2023-23770

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