Critical · published January 28, 2021
🚨 A crafty URL can lead to chaos! WinSCP before version 5.17.10 has a vulnerability that lets remote attackers execute arbitrary programs just by loading specific session settings. 😱 Think of it like a delivery driver being given a parcel that contains an explosive package — they trust the sender and don't check the contents before delivering it right to your front door! This vulnerability could allow attackers to take control of your system and execute any program they choose, potentially compromising sensitive data or corrupting files. If WinSCP is the default handler for sftp:// URLs, your system could be at serious risk!
Think of it like a delivery driver being given a parcel that contains an explosive package — they trust the sender and don't check the contents before delivering it right to your front door! An exploited crafted URL can manipulate session settings in WinSCP, enabling remote code execution without any authentication required. When clicked, it's like letting an unverified visitor into your home because they had the right address!
This vulnerability could allow attackers to take control of your system and execute any program they choose, potentially compromising sensitive data or corrupting files. If WinSCP is the default handler for sftp:// URLs, your system could be at serious risk! To protect yourself, immediately update WinSCP to version 5.17.10 or later. Additionally, consider reviewing your URL handling settings to mitigate potential risks. Regularly check for updates to stay secure! You've got this! With these steps, you'll be one step closer to securing your environment. 🛡️
| Product | Versions | Fixed in |
|---|---|---|
| winscp/winscp | < 5.17.10 | 5.17.10 |