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NTAP-20200731-0002 — CVE-2019-20907 Python Vulnerability in NetApp Products

Published 2020-07-31 · Updated 2022-03-02 · Status: Final · Exploitation: Public · Severity: HIGH 7.5 · ONTAP affected: Yes

Official advisory: NTAP-20200731-0002 on security.netapp.com ↗. Affected versions, fixed releases, and workarounds live there — this page is a summary.

Product family: Active IQ Unified Manager · ONTAP · Other NetApp products | ONTAP-relevant | highest CVSS: 7.5

CVEs in this advisory

CVE-2019-20907 — HIGH · CVSS 7.5 · site index

What the CVE records say

CVE-2019-20907 — In Lib/tarfile.py in Python through 3.8.3, an attacker is able to craft a TAR archive leading to an infinite loop when opened by tarfile.open, because _proc_pax lacks header validation.

Impact

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

Affected products

Active IQ Unified Manager for VMware vSphere
Cloud Volumes ONTAP Mediator
MAX Data

Official fixes

Active IQ Unified Manager for VMware vSphere — vendor fix ↗
Cloud Volumes ONTAP Mediator — vendor fix ↗

References

https://bugs.python.org/issue39017 ↗

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.