CVE-2021-32520Network attack vector

Credential disclosure via hard-coded cryptographic key

Published Jul 7, 2021 · Updated Sep 17, 2024

Use of hard-coded cryptographic key in QSAN Storage Manager through version 3.3.1 allows remote attackers to obtain administrator credentials and related permissions. The appliance uses a fixed cryptographic key to decrypt administrator configuration contents, exposing login credentials. The network attack requires no authentication or user interaction and can enable unauthorized access and configuration changes.

CVSS severity9.8
Critical
EPSS probability1.03%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Use of hard-coded cryptographic key in QSAN Storage Manager through version 3.3.1 allows remote attackers to obtain administrator credentials and related permissions. The appliance uses a fixed cryptographic key to decrypt administrator configuration contents, exposing login credentials. The network attack requires no authentication or user interaction and can enable unauthorized access and configuration changes.

The record

CVE
CVE-2021-32520
Published
Jul 7, 2021
Updated
Sep 17, 2024
Vendor
QSAN Technology, Inc.
Product
QSAN Storage Manager (QSM)
Classifications
CWE-798, CWE-321, T1552.004
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jul 7, 2021CVE publishedPublication date reported by the CVE source.
  2. Sep 17, 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 <=3.3.1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

QSAN Technology, Inc. · QSAN Storage Manager (QSM)version=unspecified <=3.3.1

Published CVSS scores

7.5NVDAV:N/AC:L/Au:N/C:P/I:P/A:P
9.8TWCERT/CCCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-798Use of Hard-coded Credentials
CWE-321Use of Hard-coded Cryptographic Key
T1552.004Private Keys

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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