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Fencer Vulns
high 8.3

CVE-2023-42771 json

Authentication bypass vulnerability in ACERA 1320 firmware ver.01.26 and earlier, and ACERA 1310 firmware ver.01.26 and earlier allows a ne…

published 2023-10-03 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-47203

cvss
8.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 31%
public exploits
0
none known

Summary

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.

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
2 y ago

Exploit prediction

0.37% chance of exploitation in the next 30 days, higher than 31% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CISA ADP 3.1 8.3 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L
NVD 3.1 8.8 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA 3.1 8.3 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L

Affected products

  • FURUNO SYSTEMS Co.,Ltd. ACERA 1320
  • FURUNO SYSTEMS Co.,Ltd. ACERA 1310
  • furunosystems acera_1320_firmware
  • furunosystems acera_1310_firmware

Classification

Weakness
  • CWE-288 Authentication Bypass Using an Alternate Path or Channel
  • CWE-287 Improper Authentication

References

Sources

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.