{"cve":"CVE-2020-5883","nvd":{"published":"2020-04-30T21:15:17.087","modified":"2026-06-17T03:22:23.503","status":"Modified","description":"On BIG-IP 15.0.0-15.0.1, 14.1.0-14.1.2.3, 14.0.0-14.0.1, and 13.1.0-13.1.3.1, when a virtual server is configured with HTTP explicit proxy and has an attached HTTP_PROXY_REQUEST iRule, POST requests sent to the virtual server cause an xdata memory leak.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":["CWE-401"],"references":["https://support.f5.com/csp/article/K12234501","https://support.f5.com/csp/article/K12234501"],"products":["f5:big-ip_access_policy_manager","f5:big-ip_advanced_firewall_manager","f5:big-ip_application_acceleration_manager","f5:big-ip_application_security_manager","f5:big-ip_edge_gateway","f5:big-ip_fraud_protection_service","f5:big-ip_link_controller","f5:big-ip_local_traffic_manager","f5:big-ip_policy_enforcement_manager","f5:big-ip_webaccelerator"],"source":"nvd","synced_at":"2026-10-19T21:04:18.695612450+00:00"},"epss":{"cve":"CVE-2020-5883","score":0.01309,"percentile":0.70612,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}