CVE-2022-37026

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-09-21 · updated 2026-06-17

Description

In Erlang/OTP before 23.3.4.15, 24.x before 24.3.4.2, and 25.x before 25.0.2, there is a Client Authentication Bypass in certain client-certification situations for SSL, TLS, and DTLS.

Affected products

Erlang OTP: before 23.3.4.15; from 24.0 before 24.3.4.2; from 25.0 before 25.0.2 — fixed in 23.3.4.15, 24.3.4.2, 25.0.2

How to fix

Upgrade to a fixed version: Erlang OTP 23.3.4.15, 24.3.4.2, 25.0.2. Check the vendor advisory for mitigations.

References

https://erlangforums.com/c/erlang-news-announcements/91
https://erlangforums.com/t/otp-25-1-released/1854
https://github.com/erlang/otp/compare/OTP-23.3.4.14...OTP-23.3.4.15
https://lists.debian.org/debian-lts-announce/2023/07/msg00012.html
https://erlangforums.com/c/erlang-news-announcements/91
https://erlangforums.com/t/otp-25-1-released/1854
https://github.com/erlang/otp/compare/OTP-23.3.4.14...OTP-23.3.4.15
https://lists.debian.org/debian-lts-announce/2023/07/msg00012.html

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