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{"cveTags": [], "descriptions": [{"lang": "en", "value": "QUIC in HAProxy 3.1.x before 3.1-dev7, 3.0.x before 3.0.5, and 2.9.x before 2.9.11 allows opening a 0-RTT session with a spoofed IP address. This can bypass the IP allow/block list functionality."}, {"lang": "es", "value": "QUIC en HAProxy 3.1.x anterior a 3.1-dev7, 3.0.x anterior a 3.0.5 y 2.9.x anterior a 2.9.11 permite abrir una sesi\u00f3n 0-RTT con una direcci\u00f3n IP falsificada. Esto puede eludir la funcionalidad de lista de direcciones IP permitidas o bloqueadas."}], "id": "CVE-2024-49214", "lastModified": "2026-04-15T00:35:42.020", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "cve@mitre.org", "type": "Secondary"}]}, "published": "2024-10-14T04:15:05.853", "references": [{"source": "cve@mitre.org", "url": "https://github.com/haproxy/haproxy/commit/f627b9272bd8ffca6f2f898bfafc6bf0b84b7d46"}, {"source": "cve@mitre.org", "url": "https://www.haproxy.org/download/2.9/src/CHANGELOG"}, {"source": "cve@mitre.org", "url": "https://www.haproxy.org/download/3.0/src/CHANGELOG"}, {"source": "cve@mitre.org", "url": "https://www.haproxy.org/download/3.1/src/CHANGELOG"}, {"source": "cve@mitre.org", "url": "https://www.mail-archive.com/haproxy%40formilux.org/msg45291.html"}, {"source": "cve@mitre.org", "url": "https://www.mail-archive.com/haproxy%40formilux.org/msg45314.html"}, {"source": "cve@mitre.org", "url": "https://www.mail-archive.com/haproxy%40formilux.org/msg45315.html"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-290"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{"bugzilla": {"description": "haproxy: Spoofed IP Bypass in HAProxy QUIC Listener 0-RTT Sessions", "id": "2318475", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2318475"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.3", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N", "status": "draft"}, "cwe": "CWE-940", "details": ["QUIC in HAProxy 3.1.x before 3.1-dev7, 3.0.x before 3.0.5, and 2.9.x before 2.9.11 allows opening a 0-RTT session with a spoofed IP address. This can bypass the IP allow/block list functionality.", "A flaw was found in HAProxy's QUIC listener. This vulnerability can allow an attacker to bypass the IP allow/block list via a spoofed IP address in a 0-RTT session. The attacker could exploit this by obtaining a TLS session ticket using their real IP, then initiating a 0-RTT session with a spoofed IP address, allowing them to send HTTP/3 requests."], "name": "CVE-2024-49214", "package_state": [{"cpe": "cpe:/a:redhat:ceph_storage:5", "fix_state": "Not affected", "package_name": "haproxy", "product_name": "Red Hat Ceph Storage 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "haproxy", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "haproxy", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "haproxy", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "haproxy", "product_name": "Red Hat OpenShift Container Platform 4"}], "public_date": "2024-10-14T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-49214\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-49214\nhttps://github.com/haproxy/haproxy/commit/f627b9272bd8ffca6f2f898bfafc6bf0b84b7d46\nhttps://www.haproxy.org/download/2.9/src/CHANGELOG\nhttps://www.haproxy.org/download/3.0/src/CHANGELOG\nhttps://www.haproxy.org/download/3.1/src/CHANGELOG\nhttps://www.mail-archive.com/haproxy%40formilux.org/msg45291.html\nhttps://www.mail-archive.com/haproxy%40formilux.org/msg45314.html\nhttps://www.mail-archive.com/haproxy%40formilux.org/msg45315.html"], "threat_severity": "Moderate"}

{"created": "2025-07-12T22:31:54.477819+00:00", "updated": "2025-07-12T22:31:54.477877+00:00", "vendors": ["haproxy", "haproxy$PRODUCT$haproxy"]}