CVE-2025-46712

LOW

Erlang/OTP <27.3.4, <26.2.5.12, <25.3.2.21 - Man-in-the-Middle

Title source: llm
STIX 2.1

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).

References (5)

Core 5

Scores

CVSS v3 3.7
EPSS 0.0041
EPSS Percentile 61.1%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-440
Status published
Products (3)
erlang/otp < OTP 25.3.2.21
erlang/otp >= OTP 26.2.1, < OTP 26.2.5.12
erlang/otp >= OTP 27.0, < OTP 27.3.4
Published May 08, 2025
Tracked Since Feb 18, 2026