CVE-2025-27457

All communication between the VNC server and clients is unencrypted. This allows an attacker to intercept the traffic and obtain sensitive data...

CVE-2025-27459

The VNC application stores its passwords encrypted within the registry but uses DES for encryption. As DES is broken, the original passwords can be recovered...

CVE-2025-27458

The VNC authentication mechanism bases on a challenge-response system where both server and client use the same password for encryption. The challenge is sent from the server to the client, is encrypted by the client and sent back. The server does the same encryption locally and if the responses...

[SECURITY] Fedora 41 Update: guacamole-server-1.6.0-1.fc41

Guacamole is an HTML5 remote desktop gateway. Guacamole provides access to desktop environments using remote desktop protoc ols like VNC and RDP. A centralized server acts as a tunnel and proxy, allowing access to multiple desktops through a web browser. No browser plugins are needed, and no clie...

[SECURITY] Fedora 42 Update: guacamole-server-1.6.0-1.fc42

Guacamole is an HTML5 remote desktop gateway. Guacamole provides access to desktop environments using remote desktop protoc ols like VNC and RDP. A centralized server acts as a tunnel and proxy, allowing access to multiple desktops through a web browser. No browser plugins are needed, and no clie...

CVE-2025-27459

The VNC application stores its passwords encrypted within the registry but uses DES for encryption. As DES is broken, the original passwords can be recovered...

CVE-2025-27457

All communication between the VNC server and clients is unencrypted. This allows an attacker to intercept the traffic and obtain sensitive data...

CVE-2025-27458

The VNC authentication mechanism bases on a challenge-response system where both server and client use the same password for encryption. The challenge is sent from the server to the client, is encrypted by the client and sent back. The server does the same encryption locally and if the responses...

CVE-2025-27459

The CVE-2025-27459 entry concerns a VNC application that stores passwords encrypted in the registry using DES. The root cause is the use of DES for password storage, which is considered broken, enabling recovery of original passwords. The available connected sources corroborate that passwords are...

CVE-2025-27459 CVE-2025-27459

The VNC application stores its passwords encrypted within the registry but uses DES for encryption. As DES is broken, the original passwords can be recovered...

CVE-2025-27459 CVE-2025-27459

The VNC application stores its passwords encrypted within the registry but uses DES for encryption. As DES is broken, the original passwords can be recovered...

CVE-2025-27458

The CVE-2025-27458 entry concerns Endress+Hauser MEAC300-FNADE4. The vulnerability stems from a VNC-style authentication mechanism that uses a challenge-response system with the same password for encryption on both server and client. Because VNC traffic is unencrypted, an attacker who can observe...

CVE-2025-27458 CVE-2025-27458

The VNC authentication mechanism bases on a challenge-response system where both server and client use the same password for encryption. The challenge is sent from the server to the client, is encrypted by the client and sent back. The server does the same encryption locally and if the responses...

CVE-2025-27458 CVE-2025-27458

The VNC authentication mechanism bases on a challenge-response system where both server and client use the same password for encryption. The challenge is sent from the server to the client, is encrypted by the client and sent back. The server does the same encryption locally and if the responses...

CVE-2025-27457 CVE-2025-27457

All communication between the VNC server and clients is unencrypted. This allows an attacker to intercept the traffic and obtain sensitive data...

CVE-2025-27457

CVE-2025-27457 concerns unencrypted communications between the VNC server and client(s) as stated in the NVD entry. Connected documents describe the same issue in the Endress+Hauser MEAC300-FNADE4 (CNVD/CNNVD/PT security pages), indicating traffic interception could reveal sensitive data. The pri...

CVE-2025-27457 CVE-2025-27457

All communication between the VNC server and clients is unencrypted. This allows an attacker to intercept the traffic and obtain sensitive data...

PT-2025-27788

Name of the Vulnerable Software and Affected Versions: VNC affected versions not specified Description: The VNC application stores its passwords encrypted within the registry but uses DES for encryption. As DES is broken, the original passwords can be recovered. Recommendations: At the moment,...

PT-2025-27787 · Vnc · Vnc

Name of the Vulnerable Software and Affected Versions: VNC affected versions not specified Description: The issue concerns the VNC authentication mechanism, which uses a challenge-response system. This system relies on both the server and client using the same password for encryption. An attacker...

[SECURITY] Fedora 41 Update: tigervnc-1.15.0-6.fc41

Virtual Network Computing VNC is a remote display system which allows you to view a computing 'desktop' environment not only on the machine where it is running, but from anywhere on the Internet and from a wide variety of machine architectures. This package contains a client which will allow you ...