CVE-2023-38555 json
Authentication bypass vulnerability in Fujitsu network devices Si-R series and SR-M series allows a network-adjacent unauthenticated attack…
published 2023-07-26 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-42354
- cvss
- 8.8
- version 3.1, NVD
- 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 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.
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 23 mo 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 |
|---|---|---|---|
| NVD | 3.1 | 8.8 | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected products
- Fujitsu Limited Si-R 30B
- Fujitsu Limited Si-R 130B
- Fujitsu Limited Si-R 90brin
- Fujitsu Limited Si-R570B
- Fujitsu Limited Si-R370B
- Fujitsu Limited Si-R220D
- Fujitsu Limited Si-R G100
- Fujitsu Limited Si-R G200
- Fujitsu Limited Si-R G100B
- Fujitsu Limited Si-R G110B
- Fujitsu Limited Si-R G200B
- Fujitsu Limited Si-R G210
- Fujitsu Limited Si-R G211
- Fujitsu Limited Si-R G120
- Fujitsu Limited Si-R G121
- Fujitsu Limited SR-M 50AP1
Classification
- Weakness
-
- CWE-287 Improper Authentication
References
-
fujitsu.com
/jp/products/network/support/2023/fjlan-01/
vendor-advisory
-
jvn.jp
/en/vu/JVNVU96643580/
third-party-advisory
Sources
- CVE List CVE-2023-38555
- NVD CVE-2023-38555
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.