CVE-2023-42771 Auth bypass in ACERA 1310

High 8.3 Published 3 Oct 2023 Updated 20 Sep 2024

An unauthenticated network-adjacent attacker can bypass authentication to download or upload configuration and firmware files in standalone mode.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2023-42771?

CVE-2023-42771 is a high-severity authentication bypass vulnerability in FURUNO SYSTEMS Co.,Ltd. ACERA 1310, published on 3 Oct 2023. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Authentication bypass vulnerability in ACERA 1320 firmware ver.01.26 and earlier, and ACERA 1310 firmware ver.01.26 and earlier allows a network-adjacent unauthenticated attacker who can access the affected product to download configuration files and/or log files, and upload configuration files and/or firmware. They are affected when running in ST(Standalone) mode.

Weakness: CWE-287, CWE-288

Which versions are affected by CVE-2023-42771?

It affects 2 products.

Products include Furunosystems Acera 1310 Firmware, Furunosystems Acera 1320 Firmware.

How do I fix CVE-2023-42771?

No fix has been published for CVE-2023-42771 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2023-42771 being exploited?

There is no known exploitation of CVE-2023-42771 in the wild and no public exploit code.

CVE-2023-43627 Path traversal in ACERA 1310 Medium 5.7

Sources

Also known as GHSA-j2mj-6c7w-rh5m.