CVE-2021-26988

Tenant metadata disclosure via missing authorization

Published Mar 4, 2021 · Updated Aug 3, 2024

Missing authorization in NetApp ONTAP allows remote authenticated users to read 7-Mode conversion metadata over an adjacent network. NetApp has not published the affected request handler or explained how it omits authorization when returning conversion details. Tenant credentials and adjacent network access are required; exposed fields include SVM and volume names, directory paths, and job identifiers.

CVSS severity3.5
Low
EPSS probability0.38%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
Coverage for this vulnerability

See if you're affected

Explore vulnerability checks for your environment with Hinoki.

Book a demo

Summary

What happened

Missing authorization in NetApp ONTAP allows remote authenticated users to read 7-Mode conversion metadata over an adjacent network. NetApp has not published the affected request handler or explained how it omits authorization when returning conversion details. Tenant credentials and adjacent network access are required; exposed fields include SVM and volume names, directory paths, and job identifiers.

The record

CVE
CVE-2021-26988
Published
Mar 4, 2021
Updated
Aug 3, 2024
Vendor
NetApp
Product
ONTAP
Classifications
CWE-862, T1083
Attack vector
adjacent
Privileges
authenticated

Timeline

How it unfolded

  1. Mar 4, 2021CVE publishedPublication date reported by the CVE source.
  2. Aug 3, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=Prior to 9.3P21, 9.5P16, 9.6P12, 9.7P8 and 9.8

What conditions does exploitation require?

Attack vectoradjacent
Required privilegesauthenticated

What is affected?

NetApp · ONTAPversion=Prior to 9.3P21, 9.5P16, 9.6P12, 9.7P8 and 9.8

Published CVSS scores

2.7NIST NVDAV:A/AC:L/Au:S/C:P/I:N/A:N
3.5NIST NVDCVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectoradjacent
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-862Missing Authorization
T1083File and Directory Discovery

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

See the directory against your own environment.

Your stack

Check the software in your environment

Book a demo to see how Hinoki identifies affected software and validates exploitability in your environment.

Book a demo