CVE-2011-5288: Multiple buffer overflows in the ThreeDify.ThreeDifyDesigner.1 ActiveX control in ActiveSolid.dll in ThreeDify

This week

HIGH 9.3DOWNGRADE

CVE-2011-5288 is a high-severity flaw (CVSS 9.3) affecting threedify designer. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Multiple buffer overflows in the ThreeDify.ThreeDifyDesigner.1 ActiveX control in ActiveSolid.dll in ThreeDify Designer 5.0.2 allow remote attackers to execute arbitrary code via a long argument to the (1) cmdExport, (2) cmdImport, (3) cmdOpen, or (4) cmdSave method.

Why this priority

Critical severity
EPSS top 10%: very likely to be exploited
Public exploit reference

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

Risk facts

CVSS score	9.3 (High)
EPSS exploit chance	3.8% (top 10%)
CISA exploited list	No
Weakness	CWE-119
Published	2015-01-01
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: threedify

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2015-01-01 02:59 UTCPublished CVE record published
2026-06-16 23:36 UTCUpdated Record last modified

threedify threedify designer DOWNGRADE

Affected: 5.0.2

Fixed in: no fixed release known

Safe to downgrade to: a release before 5.0.2

1. Check installed version

apt-cache policy threedify-designer || rpm -q threedify-designer || threedify-designer --version

2. No fixed release: DOWNGRADE to a release before 5.0.2 (Debian / Ubuntu)

apt-cache madison threedify-designer sudo apt install threedify-designer=<VERSION_BEFORE_5.0.2> sudo apt-mark hold threedify-designer

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

dnf --showduplicates list threedify-designer sudo dnf downgrade threedify-designer-<VERSION_BEFORE_5.0.2> sudo dnf versionlock add threedify-designer

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-2011-5288?

threedify designer: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2011-5288 being exploited?

CVE-2011-5288 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-2011-5288 affect?

CVE-2011-5288 affects threedify designer. Severity is high (CVSS 9.3). Multiple buffer overflows in the ThreeDify.ThreeDifyDesigner.1 ActiveX control in ActiveSolid.dll in ThreeDify Designer 5.0.2 allow remote attackers to execute arbitrary code via a long argument to the (1) cmdExport, (2) cmdImport, (3) cmdO

How urgent is CVE-2011-5288?

Priority 60/100. Critical severity; EPSS top 10%: very likely to be exploited; Public exploit reference

Related CVEs

CVE-2011-5293 HIGH 9.3 DOWNGRADE The cmdSave method in the ThreeDify.ThreeDifyDesigner.1 ActiveX control in ActiveSolid.dll in ThreeDify Design

References

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