CVE-2023-38555: fujitsu limited si-r 130b Improper Authentication
Vulnerability summary
CVE-2023-38555 is a high (CVSS 8.8) Improper Authentication vulnerability in fujitsu limited si-r 130b. EPSS estimates a 0.37% chance of exploitation in the next 30 days, higher than 29.7% of scored vulnerabilities.
Timeline
- 26-07-2023PublishedVulnerability first disclosed.
- 14-11-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
1 score · 1 source · 1 versionEPSS trend
Probability
0.37%
Chance of exploitation in the next 30 days
Percentile
30%
Versus all other CVEs
30-day change
0.00 pp
From 0.37% on 20-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Fujitsu limited16 products
- si-r 130bAll versions (No fix recorded)
- si-r 30bAll versions (No fix recorded)
- si-r 90brinAll versions (No fix recorded)
- si-r g100V02.54 and earlier
- si-r g100bV04.12 and earlier
Fujitsu9 products
- si-r_g100_firmware≤ 02.54
- si-r_g100b_firmware≤ 04.12
- si-r_g110b_firmware≤ 04.12
- si-r_g120_firmware≤ 20.52
- si-r_g121_firmware≤ 20.52
2 vendors · 25 products
References
2 links- www.fujitsu.com/jp/products/network/support/2023/fjlan-01/Vendor Advisory
- jvn.jp/en/vu/JVNVU96643580/Third Party Advisory