// For flags

CVE-2023-38555

 

Severity Score

8.8
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Track*
*SSVC
Descriptions

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.

*Credits: N/A
CVSS Scores
Attack Vector
Adjacent
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Adjacent
Attack Complexity
Low
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete
* Common Vulnerability Scoring System
SSVC
  • Decision:Track*
Exploitation
None
Automatable
No
Tech. Impact
Total
* Organization's Worst-case Scenario
Timeline
  • 2023-07-20 CVE Reserved
  • 2023-07-26 CVE Published
  • 2024-11-14 CVE Updated
  • 2025-03-30 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-287: Improper Authentication
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Fujitsu
Search vendor "Fujitsu"
Si-r 30b Firmware
Search vendor "Fujitsu" for product "Si-r 30b Firmware"
*-
Affected
in Fujitsu
Search vendor "Fujitsu"
Si-r 30b
Search vendor "Fujitsu" for product "Si-r 30b"
--
Safe
Fujitsu
Search vendor "Fujitsu"
Si-r 130b Firmware
Search vendor "Fujitsu" for product "Si-r 130b Firmware"
*-
Affected
in Fujitsu
Search vendor "Fujitsu"
Si-r 130b
Search vendor "Fujitsu" for product "Si-r 130b"
--
Safe
Fujitsu
Search vendor "Fujitsu"
Si-r 90brin Firmware
Search vendor "Fujitsu" for product "Si-r 90brin Firmware"
*-
Affected
in Fujitsu
Search vendor "Fujitsu"
Si-r 90brin
Search vendor "Fujitsu" for product "Si-r 90brin"
--
Safe
Fujitsu
Search vendor "Fujitsu"
Si-r570b Firmware
Search vendor "Fujitsu" for product "Si-r570b Firmware"
*-
Affected
in Fujitsu
Search vendor "Fujitsu"
Si-r570b
Search vendor "Fujitsu" for product "Si-r570b"
--
Safe
Fujitsu
Search vendor "Fujitsu"
Si-r370b Firmware
Search vendor "Fujitsu" for product "Si-r370b Firmware"
*-
Affected
in Fujitsu
Search vendor "Fujitsu"
Si-r370b
Search vendor "Fujitsu" for product "Si-r370b"
--
Safe
Fujitsu
Search vendor "Fujitsu"
Si-r220d Firmware
Search vendor "Fujitsu" for product "Si-r220d Firmware"
*-
Affected
in Fujitsu
Search vendor "Fujitsu"
Si-r220d
Search vendor "Fujitsu" for product "Si-r220d"
--
Safe
Fujitsu
Search vendor "Fujitsu"
Si-r G100 Firmware
Search vendor "Fujitsu" for product "Si-r G100 Firmware"
<= 02.54
Search vendor "Fujitsu" for product "Si-r G100 Firmware" and version " <= 02.54"
-
Affected
in Fujitsu
Search vendor "Fujitsu"
Si-r G100
Search vendor "Fujitsu" for product "Si-r G100"
--
Safe
Fujitsu
Search vendor "Fujitsu"
Si-r G200 Firmware
Search vendor "Fujitsu" for product "Si-r G200 Firmware"
<= 02.54
Search vendor "Fujitsu" for product "Si-r G200 Firmware" and version " <= 02.54"
-
Affected
in Fujitsu
Search vendor "Fujitsu"
Si-r G200
Search vendor "Fujitsu" for product "Si-r G200"
--
Safe
Fujitsu
Search vendor "Fujitsu"
Si-r G100b Firmware
Search vendor "Fujitsu" for product "Si-r G100b Firmware"
<= 04.12
Search vendor "Fujitsu" for product "Si-r G100b Firmware" and version " <= 04.12"
-
Affected
in Fujitsu
Search vendor "Fujitsu"
Si-r G100b
Search vendor "Fujitsu" for product "Si-r G100b"
--
Safe
Fujitsu
Search vendor "Fujitsu"
Si-r G110b Firmware
Search vendor "Fujitsu" for product "Si-r G110b Firmware"
<= 04.12
Search vendor "Fujitsu" for product "Si-r G110b Firmware" and version " <= 04.12"
-
Affected
in Fujitsu
Search vendor "Fujitsu"
Si-r G110b
Search vendor "Fujitsu" for product "Si-r G110b"
--
Safe
Fujitsu
Search vendor "Fujitsu"
Si-r G200b Firmware
Search vendor "Fujitsu" for product "Si-r G200b Firmware"
<= 04.12
Search vendor "Fujitsu" for product "Si-r G200b Firmware" and version " <= 04.12"
-
Affected
in Fujitsu
Search vendor "Fujitsu"
Si-r G200b
Search vendor "Fujitsu" for product "Si-r G200b"
--
Safe
Fujitsu
Search vendor "Fujitsu"
Si-r G210 Firmware
Search vendor "Fujitsu" for product "Si-r G210 Firmware"
<= 20.52
Search vendor "Fujitsu" for product "Si-r G210 Firmware" and version " <= 20.52"
-
Affected
in Fujitsu
Search vendor "Fujitsu"
Si-r G210
Search vendor "Fujitsu" for product "Si-r G210"
--
Safe
Fujitsu
Search vendor "Fujitsu"
Si-r G211 Firmware
Search vendor "Fujitsu" for product "Si-r G211 Firmware"
<= 20.52
Search vendor "Fujitsu" for product "Si-r G211 Firmware" and version " <= 20.52"
-
Affected
in Fujitsu
Search vendor "Fujitsu"
Si-r G211
Search vendor "Fujitsu" for product "Si-r G211"
--
Safe
Fujitsu
Search vendor "Fujitsu"
Si-r G120 Firmware
Search vendor "Fujitsu" for product "Si-r G120 Firmware"
<= 20.52
Search vendor "Fujitsu" for product "Si-r G120 Firmware" and version " <= 20.52"
-
Affected
in Fujitsu
Search vendor "Fujitsu"
Si-r G120
Search vendor "Fujitsu" for product "Si-r G120"
--
Safe
Fujitsu
Search vendor "Fujitsu"
Si-r G121 Firmware
Search vendor "Fujitsu" for product "Si-r G121 Firmware"
<= 20.52
Search vendor "Fujitsu" for product "Si-r G121 Firmware" and version " <= 20.52"
-
Affected
in Fujitsu
Search vendor "Fujitsu"
Si-r G121
Search vendor "Fujitsu" for product "Si-r G121"
--
Safe
Fujitsu
Search vendor "Fujitsu"
Sr-m 50ap1 Firmware
Search vendor "Fujitsu" for product "Sr-m 50ap1 Firmware"
*-
Affected
in Fujitsu
Search vendor "Fujitsu"
Sr-m 50ap1
Search vendor "Fujitsu" for product "Sr-m 50ap1"
--
Safe