CVE-2003-0487 describes multiple buffer overflow vulnerabilities in Kerio MailServer version 5.6.3. These flaws allow remote authenticated users to trigger a denial of service and potentially execute arbitrary code by supplying overly long parameters to various modules, including showuser, folder, and user. The vulnerability has a CVSS score of 7.5, indicating high severity due to its network-based attack vector, low attack complexity, and potential for partial impact on confidentiality, integrity, and availability. While not listed on CISA's KEV catalog, several public exploits are available on ExploitDB, demonstrating its exploitability. Despite this, there is no evidence of active exploitation, and the vulnerability has received minimal community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
5.6.3CPE matchmatch criteria | cpe:2.3:a:kerio:kerio_mailserver:5.6.3:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:L/Au:N/C:P/I:P/A:P
No social media mentions found for this CVE.
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.