How severe is CVE-2022-37026?

CVE-2022-37026 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-37026 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-37026?

CVE-2022-37026 affects Erlang Erlang/otp. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-37026?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2022-37026 published?

CVE-2022-37026 was published on 2022-09-21 and last updated on 2026-06-17.

CVE-2022-37026

CVE-2022-37026 is a critical-severity vulnerability in Erlang Erlang/otp with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (64th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Erlang Erlang/otp
Published: 2022-09-21
Last modified: 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.

Frequently asked questions

What is CVE-2022-37026?: 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.
How severe is CVE-2022-37026?: CVE-2022-37026 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-37026 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-37026?: CVE-2022-37026 affects Erlang Erlang/otp. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-37026?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2022-37026 published?: CVE-2022-37026 was published on 2022-09-21 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:erlang:erlang\/otp:*:*:*:*:*:*:*:*

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