onyx --cves cve-2021-39242
CVE-2021-39242
- score
- <0.1
- cvss
- 7.5
- epss
- 2.2%
- published
- 2021-08-17
- kev added
- —
- first seen
HAProxy versions before 2.2.16, 2.3.13, and 2.4.3 contain a vulnerability caused by mishandling mismatched Host and authority headers, letting attackers control the HTTP Host header, exploit requires attacker to send crafted HTTP requests.
Timeline
How this CVE moved toward exploitation. Chart: last 30 days — trend score, EPSS, community mentions per day; hover the event lane.
- Published
- Tracked by Onyx
Weaknesses
References 5
- https://git.haproxy.org/?p=haproxy.git%3Ba=commit%3Bh=b5d2b9e154d78e4075db163826c5e0f6d31b2ab1
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4ALECUZDIMT5FYGP6V6PVSI4BKVZTZWN/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RPNY4WZIQUAUOCLIMUPC37AQWNXTWIQM/
- https://www.mail-archive.com/haproxy%40formilux.org/msg41041.html
- https://www.debian.org/security/2021/dsa-4960