CVE-2026-45388
| Summary |
In OCaml-TLS before 2.1.0, the client implementation does insufficient checks of the certificate provided by the server, which allows impersonation with certificates that are not meant for server authentication (because of KeyUsage and ExtendedKeyUsage).
|
| Publication Date |
June 16, 2026, 5:16 a.m. |
| Registration Date |
June 17, 2026, 4:13 a.m. |
| Last Update |
June 17, 2026, 12:35 a.m. |
|
CVSS3.1 : CRITICAL
|
| スコア |
9.1
|
| Vector |
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N |
| 攻撃元区分(AV) |
ネットワーク |
| 攻撃条件の複雑さ(AC) |
低 |
| 攻撃に必要な特権レベル(PR) |
不要 |
| 利用者の関与(UI) |
不要 |
| 影響の想定範囲(S) |
変更なし |
| 機密性への影響(C) |
高 |
| 完全性への影響(I) |
高 |
| 可用性への影響(A) |
なし |
Related information, measures and tools
Common Vulnerabilities List