What’s Vulnerable › Vulnerabilities

CVE-2007-3803

• Severity: critical (CVSS 10.0 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2007-07-16 · updated 2026-06-16

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.

Affected products

• Clavister Coreplus: through 8.80.03; through 8.81.00

References

• http://osvdb.org/37974
• http://secunia.com/advisories/25957
• http://www.clavister.com/releasenotes/CorePlus_Release_Notes_8_80_04.pdf
• http://www.clavister.com/releasenotes/CorePlus_Release_Notes_8_81_01.pdf
• https://exchange.xforce.ibmcloud.com/vulnerabilities/35371
• http://osvdb.org/37974
• http://secunia.com/advisories/25957
• http://www.clavister.com/releasenotes/CorePlus_Release_Notes_8_80_04.pdf
• http://www.clavister.com/releasenotes/CorePlus_Release_Notes_8_81_01.pdf
• https://exchange.xforce.ibmcloud.com/vulnerabilities/35371

Get alerted when CVE-2007-3803 or the next vulnerability affects your stack