CVE-2023-38555

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-07-26 · updated 2026-06-17
Weakness: CWE-287

Description

Authentication bypass vulnerability in Fujitsu network devices Si-R series and SR-M series allows a network-adjacent unauthenticated attacker to obtain, change, and/or reset configuration settings of the affected products. Affected products and versions are as follows: Si-R 30B all versions, Si-R 130B all versions, Si-R 90brin all versions, Si-R570B all versions, Si-R370B all versions, Si-R220D all versions, Si-R G100 V02.54 and earlier, Si-R G200 V02.54 and earlier, Si-R G100B V04.12 and earlier, Si-R G110B V04.12 and earlier, Si-R G200B V04.12 and earlier, Si-R G210 V20.52 and earlier, Si-R G211 V20.52 and earlier, Si-R G120 V20.52 and earlier, Si-R G121 V20.52 and earlier, and SR-M 50AP1 all versions.

Affected products

Fujitsu Si-R220D Firmware: all versions
Fujitsu Si-R370B Firmware: all versions
Fujitsu Si-R570B Firmware: all versions
Fujitsu Si-R 130B Firmware: all versions
Fujitsu Si-R 30B Firmware: all versions
Fujitsu Si-R 90Brin Firmware: all versions
Fujitsu Si-R G100 Firmware: through 02.54
Fujitsu Si-R G100B Firmware: through 04.12
Fujitsu Si-R G110B Firmware: through 04.12
Fujitsu Si-R G120 Firmware: through 20.52
Fujitsu Si-R G121 Firmware: through 20.52
Fujitsu Si-R G200 Firmware: through 02.54
Fujitsu Si-R G200B Firmware: through 04.12
Fujitsu Si-R G210 Firmware: through 20.52
Fujitsu Si-R G211 Firmware: through 20.52
Fujitsu Sr-M 50Ap1 Firmware: all versions

References

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