CVE-2003-0743 describes a heap-based buffer overflow in Exim versions 3 (before 3.36) and 4 (before 4.21). This vulnerability allows remote attackers to execute arbitrary code by sending a specially crafted HELO or EHLO argument. With a CVSS score of 7.5, this vulnerability is considered highly severe due to its network-based attack vector, low attack complexity, and potential for partial compromise of confidentiality, integrity, and availability. While there is no evidence of active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered significant community discussion, indicating awareness among security professionals.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
3.0CPE matchmatch criteria | cpe:2.3:a:university_of_cambridge:exim:3.0:*:*:*:*:*:*:* | ||
3.3CPE matchmatch criteria | cpe:2.3:a:university_of_cambridge:exim:3.3:*:*:*:*:*:*:* | ||
3.3.1CPE matchmatch criteria | cpe:2.3:a:university_of_cambridge:exim:3.3.1:*:*:*:*:*:*:* | ||
3.3.2CPE matchmatch criteria | cpe:2.3:a:university_of_cambridge:exim:3.3.2:*:*:*:*:*:*:* | ||
3.11CPE matchmatch criteria | cpe:2.3:a:university_of_cambridge:exim:3.11:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:L/Au:N/C:P/I:P/A:P
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.