{"vulnerability": "CVE-2023-54398", "sightings": [{"uuid": "0a4a015b-da57-4c07-9141-94c00245b01a", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2023-54398", "type": "seen", "source": "https://bsky.app/profile/stemshop.bsky.social/post/3mvl7rnfx5s2r", "content": "\ud83d\udea8 CVE-2023-54398 \u2014 CVSS 9.3 CRITICAL\n\nYonyou U8 Cloud contains an unauthenticated Java deserialization vulnerability in the nc.impl.pub.filesyste...\n\n\ud83d\udd0e https://stemshop.top/cve/CVE-2023-54398\n\n#CVE #CyberSecurity #InfoSec", "creation_timestamp": "2026-09-15T18:08:15.493866Z"}, {"uuid": "42c74eaf-6ed6-4365-8fd4-2f8bc1b288ee", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2023-54398", "type": "seen", "source": "https://bsky.app/profile/vulnsea.com/post/3mvla2g3myp2t", "content": "\ud83c\udf0a ABYSSAL \u00b7 critical with a public exploit\nCVE-2023-54398: Yonyou U8 Cloud contains an unauthenticated Java deserialization vulnerability in the nc.impl.pub.filesystem.FileManageServlet component that al\u2026\nCVSS 9.8\nhttps://beta.vulnsea.com/cve/CVE-2023-54398\n\n#CVE #infosec #cybersecurity #threatintel", "creation_timestamp": "2026-09-15T18:13:09.821282Z"}, {"uuid": "2dc018ba-2e0b-414e-b276-61196a5e2d99", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2023-54398", "type": "seen", "source": "https://bsky.app/profile/stackflag.bsky.social/post/3mvlayo7sr42n", "content": "CVE-2023-54398 - u8 cloud\nThe Yonyou U8 Cloud service includes a part called FileManageServlet that accepts data from the internet without checking it first. An attacker can send specially crafted data that\u2026\n\nToo many irrelevant or confusing CVEs? Use stackflag.com\n\n#u8cloud #yonyou #CVE #infosec", "creation_timestamp": "2026-09-15T18:30:05.130065Z"}, {"uuid": "ee8bda85-63a3-4bf3-8df1-c399c6d2ddc6", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2023-54398", "type": "seen", "source": "https://bsky.app/profile/postac001.bsky.social/post/3mvlkem4pbi2b", "content": "Yonyou U8 Cloud\u306b\u306f\u8a8d\u8a3c\u4e0d\u8981\u306eJava\u9006\u30b7\u30ea\u30a2\u30eb\u5316\u306e\u8106\u5f31\u6027\u304c\u3042\u308a\u3001\u30ea\u30e2\u30fc\u30c8\u306e\u653b\u6483\u8005\u304c\u4efb\u610f\u306eOS\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3067\u304d\u308b\u3002\nCVE-2023-54398 CVSS 9.8 | CRITICAL", "creation_timestamp": "2026-09-15T21:17:48.994281Z"}, {"uuid": "20ae11fe-4024-420d-9f9a-e4e6976d0087", "vulnerability_lookup_origin": "caeb2787-0d58-4236-9039-7c86c3e566f3", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2023-54398", "type": "exploited", "source": "https://vulnerability.circl.lu/known-exploited-vulnerabilities-catalog/a3b2ec9b-106d-45f9-bf04-8503f9fd297d", "content": "", "creation_timestamp": "2026-09-16T18:00:37.495697Z"}]}