CVE-2025-46712 | THREATINT

Description

Erlang/OTP is a set of libraries for the Erlang programming language. In versions prior to OTP-27.3.4 (for OTP-27), OTP-26.2.5.12 (for OTP-26), and OTP-25.3.2.21 (for OTP-25), Erlang/OTP SSH fails to enforce strict KEX handshake hardening measures by allowing optional messages to be exchanged. This allows a Man-in-the-Middle attacker to inject these messages in a connection during the handshake. This issue has been patched in versions OTP-27.3.4 (for OTP-27), OTP-26.2.5.12 (for OTP-26), and OTP-25.3.2.21 (for OTP-25).

Reserved 2025-04-28 | Published 2025-05-08 | Updated 2025-05-08 | Assigner GitHub_M

LOW: 3.7CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N

Problem types

CWE-440: Expected Behavior Violation

Product status

>= OTP 27.0, < OTP 27.3.4

affected

>= OTP 26.2.1, < OTP 26.2.5.12

affected

< OTP 25.3.2.21

affected

References

github.com/...ng/otp/security/advisories/GHSA-934x-xq38-hhqf

github.com/erlang/otp/releases/tag/OTP-25.3.2.21

github.com/erlang/otp/releases/tag/OTP-26.2.5.12

github.com/erlang/otp/releases/tag/OTP-27.3.4

cve.org (CVE-2025-46712)

nvd.nist.gov (CVE-2025-46712)

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