CVE-2023-42771

Name: CVE-2023-42771
Creator: NVD / NIST
Published: 2023-10-03T01:15:56.967+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 0.33%

Last modified Jun 17, 2026

CVE-2023-42771 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. 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.. EPSS estimates a 0.33% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

0.33%

25.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Furunosystems	Acera 1310 Firmware	<= 01.26
Furunosystems	Acera 1320 Firmware	<= 01.26

References

https://jvn.jp/en/vu/JVNVU94497038/Third Party Advisory
https://www.furunosystems.co.jp/news/info/vulner20231002.htmlVendor Advisory
https://jvn.jp/en/vu/JVNVU94497038/Third Party Advisory
https://www.furunosystems.co.jp/news/info/vulner20231002.htmlVendor Advisory

Timeline

Published: Oct 3, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-42771?

How severe is CVE-2023-42771?

CVE-2023-42771 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.33% probability of exploitation in the next 30 days.

How do I fix CVE-2023-42771?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-42771?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST