CVE-2021-44835: An issue was discovered in Active Intelligent Visualization 5

This week

CRITICAL 9.8REMOTEDOWNGRADE

CVE-2021-44835 is a critical-severity flaw (CVSS 9.8) affecting active intelligence visualization. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An issue was discovered in Active Intelligent Visualization 5. The Vdc header is used in a SQL query without being sanitized. This causes SQL injection.

Why this priority

Critical severity
Public exploit reference
Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.1% (top 34%)
CISA exploited list	No
Weakness	CWE-89
Published	2022-09-09
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: aivhub

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

Am I affected?

Timeline

2022-09-09 19:15 UTCPublished CVE record published
2026-06-17 04:12 UTCUpdated Record last modified

aivhub active intelligence visualization DOWNGRADE

Affected: 5.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 5.0

1. Check installed version

apt-cache policy active-intelligence-visualization || rpm -q active-intelligence-visualization || active-intelligence-visualization --version

2. No fixed release: DOWNGRADE to a release before 5.0 (Debian / Ubuntu)

apt-cache madison active-intelligence-visualization sudo apt install active-intelligence-visualization=<VERSION_BEFORE_5.0> sudo apt-mark hold active-intelligence-visualization

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

dnf --showduplicates list active-intelligence-visualization sudo dnf downgrade active-intelligence-visualization-<VERSION_BEFORE_5.0> sudo dnf versionlock add active-intelligence-visualization

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.

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-2021-44835?

active intelligence visualization: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2021-44835 being exploited?

CVE-2021-44835 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-2021-44835 affect?

CVE-2021-44835 affects active intelligence visualization. Severity is critical (CVSS 9.8). An issue was discovered in Active Intelligent Visualization 5. The Vdc header is used in a SQL query without being sanitized. This causes SQL injection.

How urgent is CVE-2021-44835?

Priority 61/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

References

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