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| Vulnerability | Title and context | CVSS | EPSS | PoCs | Signals | STIX action |
|---|---|---|---|---|---|---|
CVE-2021-21973MEDIUM | VMware vCenter Server and Cloud Foundation Server Side Request Forgery (SSRF) VulnerabilityThe vSphere Client (HTML5) contains an SSRF (Server Side Request Forgery) vulnerability due to improper validation of URLs in a vCenter Server plugin. A malicious actor with network access to port 443 may exploit this issue by sending a POST request to vCenter Server plugin leading to information disclosure. This affects: VMware vCenter Server (7.x before 7.0 U1c, 6.7 before 6.7 U3l and 6.5 before 6.5 U3n) and VMware Cloud Foundation (4.x before 4.2 and 3.x before 3.10.1.2). | CVSS5.3v3.1 | EPSS87.6% | PoCs1 | SignalsListed in CISA KEVNo known ransomware use1 Nuclei template | STIX |