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CVE-2007-6573

7.8 · HIGH

QK SMTP Server 3 allows remote attackers to cause a denial of service (daemon crash) via a long (1) HELO, (2) MAIL FROM, or (3) RCPT TO command; or (4) a long string in the message sent after the D…

Published Dec 28, 2007qksoftCWE-20EPSS 1.61%

Overview

CVE-2007-6573 is a high-severity vulnerability affecting qksoft qk_smtp_server_3. It was published on December 28, 2007 and has a CVSS 2.0 base score of 7.8 (HIGH).

This vulnerability has a CVSS 2.0 base score of 7.8, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

QK SMTP Server 3 allows remote attackers to cause a denial of service (daemon crash) via a long (1) HELO, (2) MAIL FROM, or (3) RCPT TO command; or (4) a long string in the message sent after the DATA command; possibly a related issue to CVE-2006-5551.

Remediation

Check the references section for vendor advisories and patches from qksoft. Update qk_smtp_server_3 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

References

Refosvdb.org/43533Refsecurityreason.com/securityalert/3494Refwww.securityfocus.com/archive/1/485026/100/100/threadedRefosvdb.org/43533Refsecurityreason.com/securityalert/3494Refwww.securityfocus.com/archive/1/485026/100/100/threaded

How CyberStrike helps

Frequently asked questions

What is CVE-2007-6573?

CVE-2007-6573 is a high-severity vulnerability affecting qksoft qk_smtp_server_3. It was published on December 28, 2007 and has a CVSS 2.0 base score of 7.8 (HIGH).

How severe is CVE-2007-6573?

This vulnerability has a CVSS 2.0 base score of 7.8, 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-2007-6573?

Check the references section for vendor advisories and patches from qksoft. Update qk_smtp_server_3 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-2007-6573?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2007-6573 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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