8.8
HIGH
CVE-2023-38555
Fujitsu Si-R and SR-M series Unauthenticated Configuration Change/Bypass Vulnerability
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.

INFO

Published Date :

July 26, 2023, 8:15 a.m.

Last Modified :

Nov. 21, 2024, 8:13 a.m.

Remotely Exploitable :

No

Impact Score :

5.9

Exploitability Score :

2.8
Affected Products

The following products are affected by CVE-2023-38555 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Fujitsu si-r_30b_firmware
2 Fujitsu si-r_130b_firmware
3 Fujitsu si-r_90brin_firmware
4 Fujitsu si-r570b_firmware
5 Fujitsu si-r370b_firmware
6 Fujitsu si-r220d_firmware
7 Fujitsu si-r_g100_firmware
8 Fujitsu si-r_g200_firmware
9 Fujitsu si-r_g100b_firmware
10 Fujitsu si-r_g110b_firmware
11 Fujitsu si-r_g200b_firmware
12 Fujitsu si-r_g210_firmware
13 Fujitsu si-r_g211_firmware
14 Fujitsu si-r_g120_firmware
15 Fujitsu si-r_g121_firmware
16 Fujitsu sr-m_50ap1_firmware
17 Fujitsu si-r_30b
18 Fujitsu si-r_130b
19 Fujitsu si-r_90brin
20 Fujitsu si-r570b
21 Fujitsu si-r370b
22 Fujitsu si-r220d
23 Fujitsu si-r_g100
24 Fujitsu si-r_g200
25 Fujitsu si-r_g100b
26 Fujitsu si-r_g110b
27 Fujitsu si-r_g200b
28 Fujitsu si-r_g210
29 Fujitsu si-r_g211
30 Fujitsu si-r_g120
31 Fujitsu si-r_g121
32 Fujitsu sr-m_50ap1
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2023-38555.

URL Resource
https://jvn.jp/en/vu/JVNVU96643580/ Third Party Advisory
https://www.fujitsu.com/jp/products/network/support/2023/fjlan-01/ Vendor Advisory
https://jvn.jp/en/vu/JVNVU96643580/ Third Party Advisory
https://www.fujitsu.com/jp/products/network/support/2023/fjlan-01/ Vendor Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2023-38555 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2023-38555 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://jvn.jp/en/vu/JVNVU96643580/
    Added Reference https://www.fujitsu.com/jp/products/network/support/2023/fjlan-01/
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Initial Analysis by [email protected]

    Aug. 03, 2023

    Action Type Old Value New Value
    Added CVSS V3.1 NIST AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://jvn.jp/en/vu/JVNVU96643580/ No Types Assigned https://jvn.jp/en/vu/JVNVU96643580/ Third Party Advisory
    Changed Reference Type https://www.fujitsu.com/jp/products/network/support/2023/fjlan-01/ No Types Assigned https://www.fujitsu.com/jp/products/network/support/2023/fjlan-01/ Vendor Advisory
    Added CWE NIST CWE-287
    Added CPE Configuration AND OR *cpe:2.3:o:fujitsu:si-r_30b_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:fujitsu:si-r_30b:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:fujitsu:si-r_130b_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:fujitsu:si-r_130b:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:fujitsu:si-r_90brin_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:fujitsu:si-r_90brin:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:fujitsu:si-r570b_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:fujitsu:si-r570b:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:fujitsu:si-r370b_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:fujitsu:si-r370b:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:fujitsu:si-r220d_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:fujitsu:si-r220d:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:fujitsu:si-r_g100_firmware:*:*:*:*:*:*:*:* versions up to (including) 02.54 OR cpe:2.3:h:fujitsu:si-r_g100:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:fujitsu:si-r_g200_firmware:*:*:*:*:*:*:*:* versions up to (including) 02.54 OR cpe:2.3:h:fujitsu:si-r_g200:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:fujitsu:si-r_g100b_firmware:*:*:*:*:*:*:*:* versions up to (including) 04.12 OR cpe:2.3:h:fujitsu:si-r_g100b:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:fujitsu:si-r_g110b_firmware:*:*:*:*:*:*:*:* versions up to (including) 04.12 OR cpe:2.3:h:fujitsu:si-r_g110b:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:fujitsu:si-r_g200b_firmware:*:*:*:*:*:*:*:* versions up to (including) 04.12 OR cpe:2.3:h:fujitsu:si-r_g200b:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:fujitsu:si-r_g210_firmware:*:*:*:*:*:*:*:* versions up to (including) 20.52 OR cpe:2.3:h:fujitsu:si-r_g210:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:fujitsu:si-r_g211_firmware:*:*:*:*:*:*:*:* versions up to (including) 20.52 OR cpe:2.3:h:fujitsu:si-r_g211:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:fujitsu:si-r_g120_firmware:*:*:*:*:*:*:*:* versions up to (including) 20.52 OR cpe:2.3:h:fujitsu:si-r_g120:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:fujitsu:si-r_g121_firmware:*:*:*:*:*:*:*:* versions up to (including) 20.52 OR cpe:2.3:h:fujitsu:si-r_g121:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:fujitsu:sr-m_50ap1_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:fujitsu:sr-m_50ap1:-:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2023-38555 is associated with the following CWEs:

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.06 }} 0.01%

score

0.27159

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability