CVE-2021-3210: components/Modals/HelpTexts/GenericAll/GenericAll.jsx in Bloodhound <= 4.0.1 allows remote attackers to execut

Q: How do I fix CVE-2021-3210?

bloodhound: upgrade to newer than 4.0.1. Exact commands for each OS are on this page.

Q: Is CVE-2021-3210 being exploited?

CVE-2021-3210 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-2021-3210 affect?

CVE-2021-3210 affects bloodhound. Severity is critical (CVSS 9.6). components/Modals/HelpTexts/GenericAll/GenericAll.jsx in Bloodhound <= 4.0.1 allows remote attackers to execute arbitrary system commands when the victim imports a malicious data file containing JavaScript in the objectId parameter.

Q: How urgent is CVE-2021-3210?

Priority 60/100. Critical severity; Public exploit reference

This week

CRITICAL 9.6UPGRADE

CVE-2021-3210 is a critical-severity flaw (CVSS 9.6) affecting bloodhound. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

components/Modals/HelpTexts/GenericAll/GenericAll.jsx in Bloodhound <= 4.0.1 allows remote attackers to execute arbitrary system commands when the victim imports a malicious data file containing JavaScript in the objectId parameter.

Why this priority

Critical severity
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	9.6 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	2.7% (top 14%)
CISA exploited list	No
Weakness	CWE-79
Published	2021-02-19
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: bloodhound project

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

Am I affected?

Timeline

2021-02-19 14:15 UTCPublished CVE record published
2026-06-17 04:04 UTCUpdated Record last modified

bloodhound project bloodhound UPGRADE

Affected: <= 4.0.1

Fixed in: newer than 4.0.1

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy bloodhound || rpm -q bloodhound || bloodhound --version

2. UPGRADE to newer than 4.0.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade bloodhound

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade bloodhound

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-2021-3210?

bloodhound: upgrade to newer than 4.0.1. Exact commands for each OS are on this page.

Is CVE-2021-3210 being exploited?

CVE-2021-3210 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-2021-3210 affect?

CVE-2021-3210 affects bloodhound. Severity is critical (CVSS 9.6). components/Modals/HelpTexts/GenericAll/GenericAll.jsx in Bloodhound <= 4.0.1 allows remote attackers to execute arbitrary system commands when the victim imports a malicious data file containing JavaScript in the objectId parameter.

How urgent is CVE-2021-3210?

Priority 60/100. Critical severity; Public exploit reference

Related CVEs

CVE-2019-15701 HIGH 8.8 DOWNGRADE components/Modals/HelpModal.jsx in BloodHound 2.2.0 allows remote attackers to execute arbitrary OS commands (

References

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