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CVE-2007-3803

The SMTP ALG in Clavister CorePlus before 8.80.04, and 8.81.00, does not properly parse SMTP...

10.0 High

The SMTP ALG in Clavister CorePlus before 8.80.04, and 8.81.00, does not properly parse SMTP commands in certain circumstances, which allows remote attackers to bypass address blacklists.

Exploit likelihood

2.26%Up 1.0 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 10.0

The SMTP ALG in Clavister CorePlus before 8.80.04, and 8.81.00, does not properly parse SMTP commands in certain circumstances, which allows remote attackers to bypass address blacklists.

Record
CVE-2007-3803
CVSS 2.0
10.0 HighAV:N/AC:L/Au:N/C:C/I:C/A:C
Updated
2026-11-02
CVE List No score

The SMTP ALG in Clavister CorePlus before 8.80.04, and 8.81.00, does not properly parse SMTP commands in certain circumstances, which allows remote attackers to bypass address blacklists.

Record
CVE-2007-3803
Updated
2026-11-02
EUVDEUVD-2007-3787 No score

The SMTP ALG in Clavister CorePlus before 8.80.04, and 8.81.00, does not properly parse SMTP commands in certain circumstances, which allows remote attackers to bypass address blacklists.

Record
EUVD-2007-3787
Updated
2026-11-03
GitHub AdvisoriesGHSA-rfrf-3h83-9qr2 No score

The SMTP ALG in Clavister CorePlus before 8.80.04, and 8.81.00, does not properly parse SMTP...

The SMTP ALG in Clavister CorePlus before 8.80.04, and 8.81.00, does not properly parse SMTP commands in certain circumstances, which allows remote attackers to bypass address blacklists.

Record
GHSA-rfrf-3h83-9qr2
Updated
2026-11-02

Affected products

History

History
RecordedChangedSources
aliasesEUVD
aliases, references, titleGitHub Advisories
first indexedCVE List, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2007-3803 is a high vulnerability (CVSS 10.0) in Clavister Coreplus, published July 16, 2007. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.26%, the 83rd percentile. No source names a fixed version.

References

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