CVE-2009-2521 describes a stack consumption vulnerability in Microsoft IIS FTP Service versions 5.0 through 7.0. An authenticated attacker can trigger a denial of service by sending a specially crafted list -R command with a wildcard and a ".." reference, causing the FTP daemon to crash. This vulnerability has a CVSS score of 5.0, indicating a medium severity, and is easily exploitable over the network with low attack complexity, leading to a complete loss of availability. While not listed in CISA's KEV catalog, public exploit code exists in Metasploit and ExploitDB, suggesting potential for exploitation. Despite the availability of exploits, there is minimal community discussion or media coverage surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 5.0, <= 7.0CPE matchmatch criteria | cpe:2.3:a:microsoft:internet_information_services:*:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:L/Au:N/C:N/I:N/A:P
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.