CVE-2021-28361: An issue was discovered in Storage Performance Development Kit (SPDK) before 20.01.01

Q: How do I fix CVE-2021-28361?

storage performance development kit: upgrade to 20.01.01. Exact commands for each OS are on this page.

Q: Is CVE-2021-28361 being exploited?

CVE-2021-28361 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-2021-28361 affect?

CVE-2021-28361 affects storage performance development kit. Severity is high (CVSS 7.5). An issue was discovered in Storage Performance Development Kit (SPDK) before 20.01.01. If a PDU is sent to the iSCSI target with a zero length (but data is expected), the iSCSI target can crash with a NULL pointer dereference.

Q: How urgent is CVE-2021-28361?

Priority 48/100. High severity; Remotely exploitable, no login, no user action

This month

HIGH 7.5REMOTEUPGRADE

CVE-2021-28361 is a high-severity flaw (CVSS 7.5) affecting storage performance development kit. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An issue was discovered in Storage Performance Development Kit (SPDK) before 20.01.01. If a PDU is sent to the iSCSI target with a zero length (but data is expected), the iSCSI target can crash with a NULL pointer dereference.

Why this priority

High severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.1% (top 33%)
CISA exploited list	No
Weakness	CWE-476
Published	2021-03-13
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: spdk

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

Am I affected?

Timeline

2021-03-13 19:15 UTCPublished CVE record published
2026-06-17 03:46 UTCUpdated Record last modified

spdk storage performance development kit UPGRADE

Affected: < 20.01.01

Fixed in: 20.01.01

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy storage-performance-development-kit || rpm -q storage-performance-development-kit || storage-performance-development-kit --version

2. UPGRADE to 20.01.01 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade storage-performance-development-kit

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade storage-performance-development-kit

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-2021-28361?

storage performance development kit: upgrade to 20.01.01. Exact commands for each OS are on this page.

Is CVE-2021-28361 being exploited?

CVE-2021-28361 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-2021-28361 affect?

CVE-2021-28361 affects storage performance development kit. Severity is high (CVSS 7.5). An issue was discovered in Storage Performance Development Kit (SPDK) before 20.01.01. If a PDU is sent to the iSCSI target with a zero length (but data is expected), the iSCSI target can crash with a NULL pointer dereference.

How urgent is CVE-2021-28361?

Priority 48/100. High severity; Remotely exploitable, no login, no user action

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References

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