{"vulnerability": "CVE-2021-21351", "sightings": [{"uuid": "f5e73100-d880-4636-8a22-f8c81b119819", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "2a075640-a300-48a4-bb44-bc6130783b9b", "vulnerability": "CVE-2021-21351", "type": "seen", "source": "https://t.me/cibsecurity/25270", "content": "\u203c CVE-2021-21351 \u203c\n\nXStream is a Java library to serialize objects to XML and back again. In XStream before version 1.4.16, there is a vulnerability may allow a remote attacker to load and execute arbitrary code from a remote host only by manipulating the processed input stream. No user is affected, who followed the recommendation to setup XStream's security framework with a whitelist limited to the minimal required types. If you rely on XStream's default blacklist of the Security Framework, you will have to use at least version 1.4.16.\n\n\ud83d\udcd6 Read\n\nvia \"National Vulnerability Database\".", "creation_timestamp": "2021-03-23T06:37:57.000000Z"}, {"uuid": "2427f992-4da6-4ce3-9eb2-c78825269e68", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "2a075640-a300-48a4-bb44-bc6130783b9b", "vulnerability": "CVE-2021-21351", "type": "published-proof-of-concept", "source": "https://t.me/CyberSecurityTechnologies/3127", "content": "#Threat_Research \n1. In-depth analysis of the Xstream deserialization RCE vulnerability (PoCs for CVE-2021-21345, CVE-2021-21347, CVE-2021-21350, CVE-2021-21351)\nhttp://blog.topsec.com.cn/xstream\u53cd\u5e8f\u5217\u5316\u8fdc\u7a0b\u4ee3\u7801\u6267\u884c\u6f0f\u6d1e\u6df1\u5165\u5206\u6790\n2. Cisco RV34X Series:\n- RV34X /upload Authorization Bypass (CVE-2021-1472)\n- RV34X OS Command injection in Cookie string (CVE-2021-1473)\nhttps://www.iot-inspector.com/blog/advisory-cisco-rv34x-authentication-bypass-remote-command-execution", "creation_timestamp": "2021-04-15T11:02:09.000000Z"}]}