CVE-2014-4121 is a critical remote code execution and denial-of-service vulnerability affecting multiple versions of the Microsoft .NET Framework (2.0 SP2 through 4.5.2). It stems from improper parsing of internationalized resource identifiers, allowing attackers to execute arbitrary code or cause memory corruption via crafted requests to .NET web applications. With a CVSS score of 10.0, this vulnerability is highly severe, requiring no authentication or complex attack vectors, and can lead to complete compromise of confidentiality, integrity, and availability. Despite its high severity and EPSS score, there is no public exploit code available, nor is there evidence of active exploitation or significant community discussion.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
2.0CPE matchmatch criteria | cpe:2.3:a:microsoft:.net_framework:2.0:sp2:*:*:*:*:*:* | ||
3.5CPE matchmatch criteria | cpe:2.3:a:microsoft:.net_framework:3.5:*:*:*:*:*:*:* | ||
3.5.1CPE matchmatch criteria | cpe:2.3:a:microsoft:.net_framework:3.5.1:*:*:*:*:*:*:* | ||
4.0CPE matchmatch criteria | cpe:2.3:a:microsoft:.net_framework:4.0:*:*:*:*:*:*:* | ||
4.5CPE matchmatch criteria | cpe:2.3:a:microsoft:.net_framework:4.5:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:L/Au:N/C:C/I:C/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.