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NTAP-20250530-0006 — CVE-2025-30211 Erlang/OTP Vulnerability NetApp Products

Published 2025-05-30 · Updated 2025-09-11 · Status: Interim · Exploitation: Public · Severity: HIGH 7.5 · ONTAP affected: Yes

Official advisory: NTAP-20250530-0006 on security.netapp.com ↗. Affected versions, fixed releases, and workarounds live there — this page is a summary.

Product family: ONTAP | ONTAP-relevant | highest CVSS: 7.5

CVEs in this advisory

CVE-2025-30211 — HIGH · CVSS 7.5 · site index

What the CVE records say

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 specified limits on algorithm names (64 characters) provided in KEX init message. Big KEX init packet may lead to inefficient processing of the error data. As a result, large amount of memory will be allocated for processing malicious data. Versions OTP-27.3.1, OTP-26.2.5.10, and OTP-25.3.2.19 fix the issue. Some workarounds are available. One may set option `parallel_login` to `false` and/or reduce the `max_sessions` option.

Impact

Successful exploitation of this vulnerability could lead to Denial of Service (DoS).

Affected products

ONTAP Select Deploy administration utility

References

https://github.com/erlang/otp/security/advisories/GHSA-vvr3-fjhh-cfwc ↗

What to do

Check the affected products listed above against the official advisory's affected-versions table — that is where the exact ONTAP 9 release, ONTAP tool, or management product versions are named.
If affected and a fixed release exists, plan the upgrade — see the ONTAP upgrade runbook.
If exploitation is listed as "active", treat remediation as urgent and review exposure (management LIFs, ONTAP S3, SnapMirror endpoints).
Harden in parallel: security hardening baseline and ransomware protection on ONTAP.