CVE-2011-3987

CVE-2011-3987 is a medium-severity vulnerability in Daemon-tools Daemon Tools with a CVSS 2.0 base score of 4.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-399.

Key facts

• Severity: Medium (CVSS 2.0 base score 4.9)
• EPSS exploit prediction: 1% (50th percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-399
• Affected product: Daemon-tools Daemon Tools
• Published: 2011-11-03
• Last modified: 2026-06-16

Description

dtsoftbus01.sys in DAEMON Tools Lite before 4.41.3, Pro Standard before 4.41.0315, and Pro Advanced before 4.41.0315 allows local users to cause a denial of service (system crash) via an invalid DeviceIoControl request to \\.\dtsoftbusctl.

Frequently asked questions

What is CVE-2011-3987?

dtsoftbus01.sys in DAEMON Tools Lite before 4.41.3, Pro Standard before 4.41.0315, and Pro Advanced before 4.41.0315 allows local users to cause a denial of service (system crash) via an invalid DeviceIoControl request to \\.\dtsoftbusctl.

How severe is CVE-2011-3987?

CVE-2011-3987 has a CVSS 2.0 base score of 4.9, rated medium severity.

Is CVE-2011-3987 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-3987?

CVE-2011-3987 primarily affects Daemon-tools Daemon Tools. In total, 57 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2011-3987?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2011-3987 published?

CVE-2011-3987 was published on 2011-11-03 and last updated on 2026-06-16.

References

• http://archives.neohapsis.com/archives/bugtraq/2011-10/0101.html
• http://jvn.jp/en/jp/JVN07414354/index.html
• http://jvndb.jvn.jp/jvndb/JVNDB-2011-000085
• http://secunia.com/advisories/46416
• http://www.fourteenforty.jp/research/advisory.cgi?FFRRA-20111020
• http://www.securityfocus.com/bid/50106
• https://exchange.xforce.ibmcloud.com/vulnerabilities/70597

Affected products (57)

• cpe:2.3:a:daemon-tools:daemon_tools:*:*:lite:*:*:*:*:*
• cpe:2.3:a:daemon-tools:daemon_tools:4.11.1:*:lite:*:*:*:*:*
• cpe:2.3:a:daemon-tools:daemon_tools:4.11.2:*:lite:*:*:*:*:*
• cpe:2.3:a:daemon-tools:daemon_tools:4.12.0:*:lite:*:*:*:*:*
• cpe:2.3:a:daemon-tools:daemon_tools:4.12.1:*:lite:*:*:*:*:*
• cpe:2.3:a:daemon-tools:daemon_tools:4.12.2:*:lite:*:*:*:*:*
• cpe:2.3:a:daemon-tools:daemon_tools:4.12.3:*:lite:*:*:*:*:*
• cpe:2.3:a:daemon-tools:daemon_tools:4.12.4:*:lite:*:*:*:*:*
• cpe:2.3:a:daemon-tools:daemon_tools:4.30.0:*:lite:*:*:*:*:*
• cpe:2.3:a:daemon-tools:daemon_tools:4.30.1:*:lite:*:*:*:*:*
• cpe:2.3:a:daemon-tools:daemon_tools:4.30.2:*:lite:*:*:*:*:*
• cpe:2.3:a:daemon-tools:daemon_tools:4.30.3:*:lite:*:*:*:*:*
• cpe:2.3:a:daemon-tools:daemon_tools:4.30.4:*:lite:*:*:*:*:*
• cpe:2.3:a:daemon-tools:daemon_tools:4.35.5:*:lite:*:*:*:*:*
• cpe:2.3:a:daemon-tools:daemon_tools:4.35.6:*:lite:*:*:*:*:*
• cpe:2.3:a:daemon-tools:daemon_tools:4.40.1:*:lite:*:*:*:*:*
• cpe:2.3:a:daemon-tools:daemon_tools:*:*:pro_advanced:*:*:*:*:*
• cpe:2.3:a:daemon-tools:daemon_tools:4.10.0216:*:pro_advanced:*:*:*:*:*
• cpe:2.3:a:daemon-tools:daemon_tools:4.10.0217:*:pro_advanced:*:*:*:*:*
• cpe:2.3:a:daemon-tools:daemon_tools:4.10.0218:*:pro_advanced:*:*:*:*:*
• cpe:2.3:a:daemon-tools:daemon_tools:4.10.0219:*:pro_advanced:*:*:*:*:*
• cpe:2.3:a:daemon-tools:daemon_tools:4.10.0220:*:pro_advanced:*:*:*:*:*
• cpe:2.3:a:daemon-tools:daemon_tools:4.10.0221:*:pro_advanced:*:*:*:*:*
• cpe:2.3:a:daemon-tools:daemon_tools:4.10.0222:*:pro_advanced:*:*:*:*:*
• cpe:2.3:a:daemon-tools:daemon_tools:4.10.0223:*:pro_advanced:*:*:*:*:*
• cpe:2.3:a:daemon-tools:daemon_tools:4.10.0300:*:pro_advanced:*:*:*:*:*
• cpe:2.3:a:daemon-tools:daemon_tools:4.10.0301:*:pro_advanced:*:*:*:*:*
• cpe:2.3:a:daemon-tools:daemon_tools:4.10.0302:*:pro_advanced:*:*:*:*:*
• cpe:2.3:a:daemon-tools:daemon_tools:4.10.0303:*:pro_advanced:*:*:*:*:*
• cpe:2.3:a:daemon-tools:daemon_tools:4.10.0304:*:pro_advanced:*:*:*:*:*
• cpe:2.3:a:daemon-tools:daemon_tools:4.10.0305:*:pro_advanced:*:*:*:*:*
• cpe:2.3:a:daemon-tools:daemon_tools:4.10.0306:*:pro_advanced:*:*:*:*:*
• cpe:2.3:a:daemon-tools:daemon_tools:4.10.0307:*:pro_advanced:*:*:*:*:*
• cpe:2.3:a:daemon-tools:daemon_tools:4.10.0308:*:pro_advanced:*:*:*:*:*
• cpe:2.3:a:daemon-tools:daemon_tools:4.10.0309:*:pro_advanced:*:*:*:*:*
• cpe:2.3:a:daemon-tools:daemon_tools:4.40.0311:*:pro_advanced:*:*:*:*:*
• cpe:2.3:a:daemon-tools:daemon_tools:4.40.0312:*:pro_advanced:*:*:*:*:*
• cpe:2.3:a:daemon-tools:daemon_tools:*:*:pro_standard:*:*:*:*:*
• cpe:2.3:a:daemon-tools:daemon_tools:4.10.0216:*:pro_standard:*:*:*:*:*
• cpe:2.3:a:daemon-tools:daemon_tools:4.10.0218:*:pro_standard:*:*:*:*:*

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