{"id":"CVE-2023-38555","aliases":["EUVD-2023-42354","GHSA-wgrg-g2m9-jr56"],"status":"published","title":"Authentication bypass vulnerability in Fujitsu network devices Si-R series and SR-M series allows...","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.","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.00372,"percentile":0.31576,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-287"],"published":"2023-07-26T07:43:21Z","modified":"2026-06-17T06:10:42Z","products":[{"vendor":"fujitsu","product":"si-r220d_firmware"},{"vendor":"fujitsu","product":"si-r370b_firmware"},{"vendor":"fujitsu","product":"si-r570b_firmware"},{"vendor":"fujitsu","product":"si-r_130b_firmware"},{"vendor":"fujitsu","product":"si-r_30b_firmware"},{"vendor":"fujitsu","product":"si-r_90brin_firmware"},{"vendor":"fujitsu","product":"si-r_g100_firmware"},{"vendor":"fujitsu","product":"si-r_g100b_firmware"},{"vendor":"fujitsu","product":"si-r_g110b_firmware"},{"vendor":"fujitsu","product":"si-r_g120_firmware"},{"vendor":"fujitsu","product":"si-r_g121_firmware"},{"vendor":"fujitsu","product":"si-r_g200_firmware"},{"vendor":"fujitsu","product":"si-r_g200b_firmware"},{"vendor":"fujitsu","product":"si-r_g210_firmware"},{"vendor":"fujitsu","product":"si-r_g211_firmware"},{"vendor":"fujitsu","product":"sr-m_50ap1_firmware"},{"vendor":"fujitsu limited","product":"si-r 130b"},{"vendor":"fujitsu limited","product":"si-r 30b"},{"vendor":"fujitsu limited","product":"si-r 90brin"},{"vendor":"fujitsu limited","product":"si-r g100"},{"vendor":"fujitsu limited","product":"si-r g100b"},{"vendor":"fujitsu limited","product":"si-r g110b"},{"vendor":"fujitsu limited","product":"si-r g120"},{"vendor":"fujitsu limited","product":"si-r g121"},{"vendor":"fujitsu limited","product":"si-r g200"},{"vendor":"fujitsu limited","product":"si-r g200b"},{"vendor":"fujitsu limited","product":"si-r g210"},{"vendor":"fujitsu limited","product":"si-r g211"},{"vendor":"fujitsu limited","product":"si-r220d"},{"vendor":"fujitsu limited","product":"si-r370b"},{"vendor":"fujitsu limited","product":"si-r570b"},{"vendor":"fujitsu limited","product":"sr-m 50ap1"}],"references":[{"url":"https://www.fujitsu.com/jp/products/network/support/2023/fjlan-01/","tags":["x_transferred","Vendor Advisory"]},{"url":"https://jvn.jp/en/vu/JVNVU96643580/","tags":["x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-38555"},{"url":"https://jvn.jp/en/vu/JVNVU96643580"},{"url":"https://www.fujitsu.com/jp/products/network/support/2023/fjlan-01"},{"url":"https://github.com/advisories/GHSA-wgrg-g2m9-jr56"}],"sources":{"cve":[{"id":"CVE-2023-38555","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.","status":"published","published":"2023-07-26T07:43:21.819Z","modified":"2024-11-14T15:00:48.965Z","updated_at":"2026-11-02T14:35:29.772612Z"}],"euvd":[{"id":"EUVD-2023-42354","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.","status":"published","published":"2023-07-26T07:43:21Z","modified":"2024-11-14T15:00:48Z","cvss":[{"version":"","score":0,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"none"}],"updated_at":"2026-11-03T00:05:00.76838Z"}],"ghsa":[{"id":"GHSA-wgrg-g2m9-jr56","title":"Authentication bypass vulnerability in Fujitsu network devices Si-R series and SR-M series allows...","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.","status":"published","published":"2023-07-26T09:30:15Z","modified":"2024-04-04T06:21:46Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:56:41.519501Z"}],"nvd":[{"id":"CVE-2023-38555","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.","status":"published","published":"2023-07-26T08:15:10.317Z","modified":"2026-06-17T06:10:42.91Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:08:18.687088Z"}]}}