CVE-2013-3133

Microsoft .NET Framework 2.0 SP2, 3.5, 3.5.1, 4, and 4.5 does not properly check the permissions of objects that use reflection, which allows remote attackers…

published July 10, 2013

CVSS
—
EPSS
21%
Percentile
97.5
In the wild
Unconfirmed
What it is

⚠️ A crafty XAML application could be the key to a whole world of chaos with this vulnerability! Think of it like a party invitation that allows someone to not just enter the party but also rearrange the furniture on their way in. This vulnerability in the .NET Framework lets a remote attacker wield significant control through reflection without proper permissions. If exploited, attackers could execute arbitrary code, potentially gaining full control over systems running affected versions. This means they could steal sensitive data, install malware, or disrupt services—definitely not a scenario you want at your digital party!

Put simply

Think of it like a party invitation that allows someone to not just enter the party but also rearrange the furniture on their way in. This vulnerability in the .NET Framework lets a remote attacker wield significant control through reflection without proper permissions. This vulnerability arises from insufficient permission checks in the .NET Framework when using reflection, specifically allowing crafted applications to execute arbitrary methods with elevated privileges.

What to do

If exploited, attackers could execute arbitrary code, potentially gaining full control over systems running affected versions. This means they could steal sensitive data, install malware, or disrupt services—definitely not a scenario you want at your digital party! To mitigate this risk, ensure you patch your .NET Framework versions to the latest updates from Microsoft. Also, review your application’s use of reflection and implement strict permission checks to safeguard against unauthorized access. You've got this! Follow these steps, and you’ll keep your systems secure. 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.20600 · 97.5th percentile
Published
2013-07-10T01:00Z
EPSS history
Timeline
  • 10 JUL 01:00Z
    Microsoft .NET Framework 2.0 SP2, 3.5, 3.5.1, 4, and 4.5 does not properly check the permissions of objects that use reflection, which allows remote attackers…
    cvelistv5