What’s Vulnerable › Vulnerabilities

CVE-2024-49214

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-10-14 · updated 2026-06-17
• Weakness: CWE-290

Description

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.

References

• https://github.com/haproxy/haproxy/commit/f627b9272bd8ffca6f2f898bfafc6bf0b84b7d46
• https://www.haproxy.org/download/2.9/src/CHANGELOG
• https://www.haproxy.org/download/3.0/src/CHANGELOG
• https://www.haproxy.org/download/3.1/src/CHANGELOG
• https://www.mail-archive.com/haproxy%40formilux.org/msg45291.html
• https://www.mail-archive.com/haproxy%40formilux.org/msg45314.html
• https://www.mail-archive.com/haproxy%40formilux.org/msg45315.html

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