mellon

OSDP Vulnerabilities this Exploits OSDP attack tool and the Elvish word for friend Attack 1: Encryption is Optional OSDP supports, but doesn't strictly require , encryption. So your connection might not even be encrypted at all. Attack 1 is just to passively listen and see if you can read the car...

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...

BitUnlocker

BitUnlocker 降级攻击 一种概念验证方法，可在完全修补的 Windows 11 机器上，在 5 分钟内 访问 BitLocker 加密磁盘，通过引导管理器降级攻击利用最初记录为 CVE-2025-48804 的 SDI 漏洞。2025 年 7 月的补丁修复了 bootmgfw.efi，因此在 PCA 2011 下签名的任何预补丁 bootmgfw.efi 均可用于降级攻击，前提是目标系统信任该 PCA。 此 PoC 提供了两种交付方法：USB 启动 （更简单，推荐）和 PXE 启动 。但理论上，您也可以直接将 SDI 启动文件复制到默认未加密的分区（ESP...

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...

ams-failopen

AppleMediaServices 中的失效开放签名（零日披露） 概述 此问题构成了一个现有的零日漏洞，反映了 AppleMediaServices.framework 中的系统性设计缺陷，而非回归或特定版本的错误。 Apple 的 AppleMediaServices 框架中存在一个关键的失效开放缺陷：如果远程配置文件（"Bag"）加载失败，请求签名会被静默禁用。这影响 iOS、macOS、tvOS 和 watchOS。 当 Bag 无法检索（由于 DNS 操纵、超时或网络干扰）时，AppleMediaServices 守护进程会禁用 Mescal/Absinthe 签名，并向...

knob

README 关于蓝牙 BR/EDR 和蓝牙低功耗上的 蓝牙密钥协商（KNOB） 攻击的仓库。 相关工作 从蓝牙标准到符合标准的 0-day 漏洞 HWIO20 蓝牙和蓝牙低功耗上的密钥协商降级攻击 TOPS20 蓝牙之殇：KNOB 攻击解析 CyberWire19 KNOB 已破：利用蓝牙 BR/EDR 加密密钥协商中的低熵 SEC19 BIAS：蓝牙冒充攻击 S&P20 链接 CVE-2019-9506。 使用 internalblue v0.1 执行 KNOB 攻击的 PoC 用于验证和暴力破解 E0 加密密钥的代码 如何修补 Linux 内核以在 BLE 上执行 KNOB 攻击...

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...

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...

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...

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...