CVE-2021-21561

Sensitive data disclosure via log-file insertion

Published Nov 23, 2021 · Updated Sep 16, 2024

Sensitive information exposure in Dell PowerScale OneFS 8.1.2 allows local users to read sensitive data from log files. Dell identifies CWE-532 but does not disclose the affected logging path, the data recorded, or the operation that places it in the logs. Exploitation requires an account with ISI_PRIV_LOGIN_SSH or ISI_PRIV_LOGIN_CONSOLE, and the documented consequence is limited to disclosure of log contents.

CVSS severity5.5
Medium
EPSS probability0.25%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Sensitive information exposure in Dell PowerScale OneFS 8.1.2 allows local users to read sensitive data from log files. Dell identifies CWE-532 but does not disclose the affected logging path, the data recorded, or the operation that places it in the logs. Exploitation requires an account with ISI_PRIV_LOGIN_SSH or ISI_PRIV_LOGIN_CONSOLE, and the documented consequence is limited to disclosure of log contents.

The record

CVE
CVE-2021-21561
Published
Nov 23, 2021
Updated
Sep 16, 2024
Vendor
Dell Technologies
Product
PowerScale OneFS
Classifications
CWE-532, T1005
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Nov 23, 2021CVE publishedPublication date reported by the CVE source.
  2. Sep 16, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

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

  1. Affected versionversion=unspecified <8.1.0, 8.1.1, 8.1.2, 8.2.x, 9.1.0.x

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

Dell Technologies · PowerScale OneFSversion=unspecified <8.1.0, 8.1.1, 8.1.2, 8.2.x, 9.1.0.x

Published CVSS scores

7.8Dell TechnologiesCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
5.5NIST NVDCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
2.1NIST NVDAV:L/AC:L/Au:N/C:P/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)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-532Insertion of Sensitive Information into Log File
T1005Data from Local System

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

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Your stack

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