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CVE-2007-3803

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.

Published Jul 16, 2007clavisterEPSS 2.26%

Overview

CVE-2007-3803 is a high-severity vulnerability affecting clavister clavister_coreplus. It was published on July 16, 2007 and has a CVSS 2.0 base score of 10.0 (HIGH).

This vulnerability has a CVSS 2.0 base score of 10.0, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

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.

Remediation

Check the references section for vendor advisories and patches from clavister. Update clavister_coreplus to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus
clavisterclavister_coreplus0Affected

References

Refosvdb.org/37974Refsecunia.com/advisories/25957Refwww.clavister.com/releasenotes/CorePlus_Release_Notes_8_80_04.pdfRefwww.clavister.com/releasenotes/CorePlus_Release_Notes_8_81_01.pdfRefexchange.xforce.ibmcloud.com/vulnerabilities/35371Refosvdb.org/37974Refsecunia.com/advisories/25957Refwww.clavister.com/releasenotes/CorePlus_Release_Notes_8_80_04.pdfRefwww.clavister.com/releasenotes/CorePlus_Release_Notes_8_81_01.pdfRefexchange.xforce.ibmcloud.com/vulnerabilities/35371

How CyberStrike helps

Frequently asked questions

What is CVE-2007-3803?

CVE-2007-3803 is a high-severity vulnerability affecting clavister clavister_coreplus. It was published on July 16, 2007 and has a CVSS 2.0 base score of 10.0 (HIGH).

How severe is CVE-2007-3803?

This vulnerability has a CVSS 2.0 base score of 10.0, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2007-3803?

Check the references section for vendor advisories and patches from clavister. Update clavister_coreplus to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2007-3803?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2007-3803 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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