CVE-2002-0054 describes a vulnerability in the SMTP service of Microsoft Windows 2000 and the Internet Mail Connector (IMC) in Exchange Server 5.5. This flaw allows remote attackers to perform mail relaying by exploiting improper handling of NTLM authentication responses, specifically through an SMTP AUTH command using null session credentials. With a CVSS score of 7.5 (HIGH) and a FAUCET Risk Score of 80/100, this vulnerability presents a significant risk due to its network-based attack vector, low attack complexity, and potential for partial confidentiality, integrity, and availability impact. While no active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion has been observed, the vulnerability remains a concern for unpatched systems.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
5.5CPE matchmatch criteria | cpe:2.3:a:microsoft:exchange_server:5.5:-:*:*:*:*:*:* | ||
5.5CPE matchmatch criteria | cpe:2.3:a:microsoft:exchange_server:5.5:sp1:*:*:*:*:*:* | ||
5.5CPE matchmatch criteria | cpe:2.3:a:microsoft:exchange_server:5.5:sp2:*:*:*:*:*:* | ||
5.5CPE matchmatch criteria | cpe:2.3:a:microsoft:exchange_server:5.5:sp3:*:*:*:*:*:* | ||
5.5CPE matchmatch criteria | cpe:2.3:a:microsoft:exchange_server:5.5:sp4:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:L/Au:N/C:P/I:P/A:P
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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.