CVE-2023-48251
CWE-798Published: January 10, 2024· Updated: Jun 17, 2026
Official Description
The vulnerability allows a remote attacker to authenticate to the SSH service with root privileges through a hidden hard-coded account.
Risk Analysis
Bosch Nexo OS contains a critical vulnerability where a hidden hard-coded account allows remote attackers to authenticate to the SSH service with root privileges. This flaw carries a CVSS score of 9.8, posing a severe risk to device security.
There is no public exploit known, and it is not in the CISA KEV. The vulnerability is remotely exploitable.
Update the affected Bosch Nexo devices to the latest firmware version to remove the hard-coded credentials.
Technical Analysis
CVE-2023-48251 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
Official Patches & Advisories
All References (2)
Quick Facts
Related CVEs (CWE-798)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2023-48251 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts