CVE-2003-0487

Name: CVE-2003-0487
Creator: NVD / NIST
Published: 2003-08-07T04:00:00+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 11.37%

Last modified Jun 16, 2026

CVE-2003-0487 is a vulnerability of currently unknown severity. Multiple buffer overflows in Kerio MailServer 5.6.3 allow remote authenticated users to cause a denial of service and possibly execute arbitrary code via (1) a long showuser parameter in the do_subscribe module, (2) a long folder parameter in the add_acl module, (3) a long folder parameter in the list module, and (4) a long user parameter in the do_map module.. EPSS estimates a 11.37% chance of exploitation in the next 30 days.

Description

Multiple buffer overflows in Kerio MailServer 5.6.3 allow remote authenticated users to cause a denial of service and possibly execute arbitrary code via (1) a long showuser parameter in the do_subscribe module, (2) a long folder parameter in the add_acl module, (3) a long folder parameter in the list module, and (4) a long user parameter in the do_map module.

Metrics

EPSS Probability

11.37%

95.4th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Kerio	Kerio Mailserver	5.6.3

References

http://marc.info/?l=bugtraq&m=105596982503760&w=2
http://nautopia.org/vulnerabilidades/kerio_mailserver.htmExploit, Vendor Advisory
http://www.securityfocus.com/bid/7967Exploit, Patch, Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/12368
http://marc.info/?l=bugtraq&m=105596982503760&w=2
http://nautopia.org/vulnerabilidades/kerio_mailserver.htmExploit, Vendor Advisory
http://www.securityfocus.com/bid/7967Exploit, Patch, Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/12368

Timeline

Published: Aug 7, 2003
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2003-0487?

How severe is CVE-2003-0487?

Severity scoring for CVE-2003-0487 is pending analysis. The EPSS model estimates a 11.37% probability of exploitation in the next 30 days.

How do I fix CVE-2003-0487?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2003-0487?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST