CVE-2021-32520: Use of hard-coded cryptographic key vulnerability in QSAN Storage Manager allows attackers to obtain users’ cr

Q: How do I fix CVE-2021-32520?

storage manager: upgrade to newer than 3.3.1. Exact commands for each OS are on this page.

Q: Is CVE-2021-32520 being exploited?

CVE-2021-32520 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2021-32520 affect?

CVE-2021-32520 affects storage manager. Severity is critical (CVSS 9.8). Use of hard-coded cryptographic key vulnerability in QSAN Storage Manager allows attackers to obtain users’ credentials and related permissions. Suggest contacting with QSAN and refer to recommendations in QSAN Document.

Q: How urgent is CVE-2021-32520?

Priority 55/100. Critical severity; Remotely exploitable, no login, no user action

This month

CRITICAL 9.8REMOTEUPGRADE

CVE-2021-32520 is a critical-severity flaw (CVSS 9.8) affecting storage manager. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Use of hard-coded cryptographic key vulnerability in QSAN Storage Manager allows attackers to obtain users’ credentials and related permissions. Suggest contacting with QSAN and refer to recommendations in QSAN Document.

Why this priority

Critical severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.0% (top 36%)
CISA exploited list	No
Weakness	CWE-321, CWE-798
Published	2021-07-07
Last modified	2026-06-17

Publisher (CNA): TWCERT/CC · Vendor: qsan

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2021-07-07 14:15 UTCPublished CVE record published
2026-06-17 03:53 UTCUpdated Record last modified

qsan storage manager UPGRADE

Affected: <= 3.3.1

Fixed in: newer than 3.3.1

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy storage-manager || rpm -q storage-manager || storage-manager --version

2. UPGRADE to newer than 3.3.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade storage-manager

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade storage-manager

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2021-32520?

storage manager: upgrade to newer than 3.3.1. Exact commands for each OS are on this page.

Is CVE-2021-32520 being exploited?

CVE-2021-32520 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2021-32520 affect?

CVE-2021-32520 affects storage manager. Severity is critical (CVSS 9.8). Use of hard-coded cryptographic key vulnerability in QSAN Storage Manager allows attackers to obtain users’ credentials and related permissions. Suggest contacting with QSAN and refer to recommendations in QSAN Document.

How urgent is CVE-2021-32520?

Priority 55/100. Critical severity; Remotely exploitable, no login, no user action

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References

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