Vulnerability in Erlang Otp

CVE-2025-30211

Erlang/OTP is a set of libraries for the Erlang programming language. Prior to versions OTP-27.3.1, 26.2.5.10, and 25.3.2.19, a maliciously formed KEX init message can result with high memory usage. Implementation does not verify RFC speci…

EPSS: 0.002 (35.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

  • Erlang Otp — versions < OTP-27.3.1, < OTP-26.2.5.10, < OTP-25.3.2.19

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-30211?
CVE-2025-30211 is a high-severity vulnerability in Erlang Otp, classified under CWE-789. CVSS score: 7.5/10. Published 2025-03-28.
How severe is CVE-2025-30211?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2025-30211 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.