CVE-2021-47772: 10-Strike Network Inventory Explorer Pro 9.31 contains a buffer overflow vulnerability in the text file import

This week

CRITICAL 9.8REMOTEDOWNGRADE

CVE-2021-47772 is a critical-severity flaw (CVSS 9.8) affecting network inventory explorer. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

10-Strike Network Inventory Explorer Pro 9.31 contains a buffer overflow vulnerability in the text file import functionality that allows remote code execution. Attackers can craft a malicious text file with carefully constructed payload to trigger a reverse shell and execute arbitrary code on the target system.

Why this priority

Critical severity
Public exploit reference
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	0.7% (top 47%)
CISA exploited list	No
Weakness	CWE-787
Published	2026-01-15
Last modified	2026-06-17

Publisher (CNA): VulnCheck · Vendor: 10-strike

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

Am I affected?

Timeline

2026-01-15 16:16 UTCPublished CVE record published
2026-06-17 04:18 UTCUpdated Record last modified

10-strike network inventory explorer DOWNGRADE

Affected: 9.31

Fixed in: no fixed release known

Safe to downgrade to: a release before 9.31

1. Check installed version

apt-cache policy network-inventory-explorer || rpm -q network-inventory-explorer || network-inventory-explorer --version

2. No fixed release: DOWNGRADE to a release before 9.31 (Debian / Ubuntu)

apt-cache madison network-inventory-explorer sudo apt install network-inventory-explorer=<VERSION_BEFORE_9.31> sudo apt-mark hold network-inventory-explorer

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list network-inventory-explorer sudo dnf downgrade network-inventory-explorer-<VERSION_BEFORE_9.31> sudo dnf versionlock add network-inventory-explorer

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Exact fixes by distribution

A distro patch exists: prefer upgrading over downgrading.

Fedora 46 · jgmenu · FIXED · 4.7.0-1.fc46 · FEDORA-2026-3053ee4399 · source

sudo dnf upgrade --advisory=FEDORA-2026-3053ee4399

Fedora ELN · python-tkrzw · FIXED · 0.1.32-12.eln159 · FEDORA-2026-0161d71544 · source

sudo dnf upgrade --advisory=FEDORA-2026-0161d71544

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Write-up: www.exploit-db.com/exploits/50472

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-2021-47772?

network inventory explorer: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2021-47772 being exploited?

CVE-2021-47772 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-2021-47772 affect?

CVE-2021-47772 affects network inventory explorer. Severity is critical (CVSS 9.8). 10-Strike Network Inventory Explorer Pro 9.31 contains a buffer overflow vulnerability in the text file import functionality that allows remote code execution. Attackers can craft a malicious text file with carefully constructed payload to

How urgent is CVE-2021-47772?

Priority 58/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

Related CVEs

CVE-2021-47767 HIGH 7.8 DOWNGRADE 10-Strike Network Inventory Explorer Pro 9.31 contains an unquoted service path vulnerability in the srvInvent

References

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