Critical · published March 12, 2020
CVSS calls it critical at 10.0. It is confirmed in active exploitation. It sits in the 100.0th percentile for exploit probability.
🚨 A single malicious packet sent to an SMBv3 server can unleash chaos! This vulnerability can lead to remote code execution, making it an absolute game-changer for attackers! 🔥 Think of it like a sneaky thief slipping a fake delivery notice into your mailbox, tricking the delivery person into handing over the keys to your house. One crafty packet is all it takes to gain full access! If exploited, an attacker could execute arbitrary commands on the target system, potentially leading to complete control over the network. This means they could steal sensitive data, spread malware, or even shut down critical services — the sort of disaster that can be absolutely devastating for any organization!
Think of it like a sneaky thief slipping a fake delivery notice into your mailbox, tricking the delivery person into handing over the keys to your house. One crafty packet is all it takes to gain full access! This vulnerability lies in how SMBv3 processes specific requests, allowing attackers to send specially crafted packets that can perform unauthorized actions. The flaw is particularly concerning because it doesn't require authentication, making it easy to exploit.
If exploited, an attacker could execute arbitrary commands on the target system, potentially leading to complete control over the network. This means they could steal sensitive data, spread malware, or even shut down critical services — the sort of disaster that can be absolutely devastating for any organization! To safeguard your systems, immediately apply the patches released by Microsoft. Ensure that your SMBv3 settings are configured correctly and consider disabling SMBv1 to further mitigate risks. Regularly audit your network for any suspicious activity as an added precaution. You've got this! By following these steps, you'll bolster your defenses and keep the cyber baddies at bay! 🛡️
| Product | Versions | Fixed in |
|---|---|---|
| microsoft/windows_10_1903 | all versions | — |
| microsoft/windows_10_1903 | all versions | — |
| microsoft/windows_10_1903 | all versions | — |
| microsoft/windows_10_1909 | all versions | — |
| microsoft/windows_10_1909 | all versions | — |
| microsoft/windows_10_1909 | all versions | — |
| microsoft/windows_server_1903 | all versions | — |
| microsoft/windows_server_1909 | all versions | — |