unicorn

unicorn Written by: Dave Kennedy @HackingDave Website: https://www.trustedsec.com Magic Unicorn is a simple tool for using a PowerShell downgrade attack and inject shellcode straight into memory. Based on Matthew Graeber's powershell attacks and the powershell bypass technique presented by David...

ams-failopen

Firma Fail-Open en AppleMediaServices Divulgación de Zero-Day Resumen Este problema constituye una vulnerabilidad Zero-Day activa y refleja un defecto de diseño sistémico en AppleMediaServices.framework, más que una regresión o un error específico de una versión. Una falla crítica de tipo fail-op...

BitUnlocker

BitUnlocker: Ataque de degradación Una prueba de concepto para acceder a discos cifrados con BitLocker en menos de 5 minutos en máquinas Windows 11 totalmente parcheadas mediante un ataque de degradación del administrador de arranque, aprovechando la vulnerabilidad SDI documentada originalmente...

mellon

Vulnerabilidades de OSDP que esto explota Herramienta de ataque OSDP y la palabra élfica para amigo Ataque 1: El cifrado es opcional OSDP admite, pero no exige estrictamente el cifrado. Por lo tanto, su conexión podría no estar cifrada en absoluto. El ataque 1 consiste simplemente en escuchar...

knob

README Repositorio sobre los ataques de Negociación de Clave de Bluetooth KNOB en Bluetooth BR/EDR y Bluetooth Low Energy. Trabajo Relacionado Del estándar Bluetooth a los 0-days conformes al estándar HWIO20 Ataques de degradación de negociación de clave en Bluetooth y Bluetooth Low Energy TOPS20...

CVE-2019-19652

CVE-2019-19652 Ataque de degradación de Chevereto - 1.0.0 - 1.1.4 Free, = 3.13.5 Core. Un usuario administrador puede indicar al script de actualización que degrade a otra versión en lugar de actualizar, reintroduciendo fallos anteriores. Debido a la falta de un token CSRF, este ataque también...

Palo Alto Networks PAN-OS 10.2.x < 10.2.14 / 11.1.x < 11.1.8 / 11.2.x < 11.2.8 Vulnerability

The version of Palo Alto Networks PAN-OS running on the remote host is 10.2.x prior to 10.2.14, 11.1.x prior to 11.1.8, or 11.2.x prior to 11.2.8. It is, therefore, affected by a vulnerability. The Terrapin attack allows an attacker with the ability to intercept SSH traffic on affected Palo Alto...

CVE-2026-28627

In btmsecencryptchange of btmsec.cc, there is a possible downgrade attack due to a logic error in the code. This could lead to remote information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation...

CVE-2026-28627

In btmsecencryptchange of btmsec.cc, there is a possible downgrade attack due to a logic error in the code. This could lead to remote information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation...

CVE-2026-28627

CVE-2026-28627 is a vulnerability in Android's Bluetooth stack , specifically in the btm_sec_encrypt_change function of btm_sec.cc. A logic error enables a downgrade attack , allowing remote information disclosure without additional privileges or user interaction. The CVSS 3.1 score is 4.3 (Mediu...

EUVD-2026-73973

In btmsecencryptchange of btmsec.cc, there is a possible downgrade attack due to a logic error in the code. This could lead to remote information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation...

ASB-A-455566331

In btmsecencryptchange of btmsec.cc, there is a possible downgrade attack due to a logic error in the code. This could lead to remote information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation...

Astra Linux – Vulnerability in Thunderbird

Thunderbird ignored the configuration that required STARTTLS security for SMTP connections. A MITM could perform a downgrade attack to intercept transmitted messages, or could take control of the authenticated session to execute SMTP commands chosen by the MITM. If an unprotected authentication...

CVE-2026-53712

A flaw was found in the SCRAM Salted Challenge Response Authentication Mechanism client and common libraries. An attacker performing a man-in-the-middle MITM attack on a Transport Layer Security TLS connection can silently downgrade the authentication process. This vulnerability allows the attack...

CVE-2026-58150

Apache Traffic Server does not reject Transfer-Encoding in HTTP/2 requests, allowing downgrade request smuggling. This issue affects Apache Traffic Server: from 8.0.0 through 8.1.9, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3. Users are recommended to upgrade to version 9.2.15 or 10.1.4...

GHSA-J92G-9F8W-J867 PostgreSQL JDBC Driver: Silent channel-binding authentication downgrade via unsupported certificate algorithms

Impact channelBinding=require connections can be silently downgraded from SCRAM-SHA-256-PLUS with channel binding to plain SCRAM-SHA-256 without it, losing the man-in-the-middle protection the setting is meant to guarantee. An attacker who can intercept the TLS connection triggers the downgrade...

CVE-2026-4942 IBM i is Affected by Algorithm Downgrade in Transport Layer Security []

IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to send a specifically crafted message and downgrade the Transport Layer Security TLS protocol to a version disabled in the server configuration...

CVE-2026-53712

SCRAM Salted Challenge Response Authentication Mechanism is part of the family of Simple Authentication and Security Layer SASL, RFC 4422 authentication mechanisms. Prior to 3.3, a flaw in com.ongres.scram:scram-client and com.ongres.scram:scram-common allows an attacker capable of a TLS...

JLSEC-2026-684 A malicious TLS1.2 server can force a TLS1.3 client with downgrade capability to use a ciphersuite...

A malicious TLS1.2 server can force a TLS1.3 client with downgrade capability to use a ciphersuite that it did not agree to and achieve a successful connection. This is because, aside from the extensions, the client was skipping fully parsing the server hello...

PYSEC-2026-1435 h2 allows HTTP Request Smuggling due to illegal characters in headers

Summary HTTP/2 request splitting vulnerability allows attackers to perform request smuggling attacks by injecting CRLF characters into headers. This occurs when servers downgrade HTTP/2 requests to HTTP/1.1 without properly validating header names/values, enabling attackers to manipulate request...