CVE-2003-1477 describes a denial-of-service vulnerability in MAILsweeper for SMTP versions 4.3.6 and 4.3.7, affecting both Clearswift and Microsoft implementations. Attackers can exploit this by sending a malformed or specially crafted PowerPoint attachment containing embedded objects, leading to high CPU consumption on the affected system. With a CVSS score of 7.8 (High), this vulnerability is easily exploitable over the network with low attack complexity, resulting in a complete loss of availability. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
4.3.6CPE matchmatch criteria | cpe:2.3:a:clearswift:mailsweeper_for_smtp:4.3.6:*:*:*:*:*:*:* | ||
4.3.7CPE matchmatch criteria | cpe:2.3:a:clearswift:mailsweeper_for_smtp:4.3.7:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:L/Au:N/C:N/I:N/A:C
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.