Duplicate Advisory: @cloudflare/workers-oauth-provider PKCE bypass via downgrade attack

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-qgp8-v765-qxx9. This link is maintained to preserve external references. Original Description PKCE was implemented in the OAuth implementation in workers-oauth-provider that is part of MCP framework...

CVE-2025-4144 PKCE bypass via downgrade attack

PKCE was implemented in the OAuth implementation in workers-oauth-provider that is part of MCP framework https://github.com/cloudflare/workers-mcp . However, it was found that an attacker could cause the check to be skipped. Fixed in: https://github.com/cloudflare/workers-oauth-provider/pull/27...

CVE-2025-4144 PKCE bypass via downgrade attack

PKCE was implemented in the OAuth implementation in workers-oauth-provider that is part of MCP framework https://github.com/cloudflare/workers-mcp . However, it was found that an attacker could cause the check to be skipped. Fixed in: https://github.com/cloudflare/workers-oauth-provider/pull/27...

TLS Downgrade Attack

github.com/refraction-networking/utls is vulnerable to TLS Downgrade Attack. The vulnerability is due to missing downgrade protection caused due to failure to implement and verify the downgrade canary in TLS 1.3 handshakes when using a custom ClientHello spec, allowing an attacker to force a...

SSH Prefix Truncation Vulnerability (Terrapin attack) on Citrix Applayering

SSH Prefix Truncation Vulnerability Terrapin attack on Citrix App Layering . Note: The Terrapin attack can reduce the security of SSH by using a downgrade attack via man-in-the-middle interception. The attack works by prefix truncation; the injection and deletion of messages during feature...

Linux Distros Unpatched Vulnerability : CVE-2015-5296

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Samba 3.x and 4.x before 4.1.22, 4.2.x before 4.2.7, and 4.3.x before 4.3.3 supports connections that are encrypted but unsigned, which allows man-in-the-middle...

CVE-2024-1509

CVE-2024-1509 affects Brocade ASCG prior to version 3.2.0, where the web interface does not enforce HTTP Strict Transport Security (HSTS) for ports 8030 and 8100. Root cause: missing HSTS enforcement increases susceptibility to downgrade and SSL-stripping MITM attacks and weakens cookie-hijacking...

CVE-2024-5814

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Oracle Linux 8 : virt:kvm_utils1 (ELSA-2024-12791)

The remote Oracle Linux 8 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2024-12791 advisory. - Bounds check for block exceeding page length CVE-2021-3504 resolves: rhbz1950501 - Fix for CVE-2019-9755 heap-based buffer overflow leads to local root...

USN-7047-1 knot-resolver vulnerabilities

Vladimír Čunát discovered that Knot Resolver incorrectly handled input during DNSSEC validation. A remote attacker could possibly use this issue to bypass certain validations. CVE-2019-10190 Vladimír Čunát discovered that Knot Resolver incorrectly handled input during DNSSEC validation. A remote...

CVE-2024-47530

CVE-2024-47530 affects gstreamer-plugins-good in SUSE open advisories. The connected documents specify the vulnerability as an uninitialized stack memory issue in the Matroska/WebM demuxer, with multiple SUSE advisories (SUSE-SU-2025:0063-1, SUSE-SU-2025:0064-1, SUSE-SU-2025:0067-1) listing this ...

CVE-2024-47530 Scout contains an Open Redirect on Login via `next`

Scout is a web-based visualizer for VCF-files. Open redirect vulnerability allows performing phishing attacks on users by redirecting them to malicious page. /login API endpoint is vulnerable to open redirect attack via next parameter due to absence of sanitization logic. Additionally, due to lac...

Microsoft Issues Patches for 79 Flaws, Including 3 Actively Exploited Windows Flaws

Microsoft on Tuesday disclosed that three new security flaws impacting the Windows platform have come under active exploitation as part of its Patch Tuesday update for September 2024. The monthly security release addresses a total of 79 vulnerabilities, of which seven are rated Critical, 71 are...

Oracle Linux 8 : virt:kvm_utils3 (ELSA-2024-12604)

The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2024-12604 advisory. - Fix CVE-2022-0485: Fail nbdcopy if NBD read or write fails resolves: rhbz2045718 - Contains fix for NBD Protocol Downgrade Attack CVE-2019-14842. -...

CVE-2024-5814

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...

UBUNTU-CVE-2024-5814

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...

Microsoft patches bug that could have allowed an attacker to revert your computer back to an older, vulnerable version

Microsoft has released a patch for a bug for a "downgrade attack" that was recently revealed by researchers at security conferences Black Hat and Def Con. What does that mean in layman terms? You: Let me check whether my system is fully updated Windows: Sure, all’s well Attacker: Chuckles and...

Siemens CPCI85 Central Processing和SICORE Base system 访问控制错误漏洞

The SICAM 8 power automation platform is a universal, integrated hardware and software-based solution for all applications in the power supply sector.The SICAM A8000 RTUs are modular devices for remote control and automation applications in all areas of energy supply.The SICAM EGS is the gateway ...

The vulnerability of the HSTS (HTTP Strict Transport Security) mechanism in the software-based monitoring and network traffic analysis server of SINEC Traffic Analyzer allows a perpetrator to perform a downgrade attack (an attack that reduces the version of the protocol used).

The vulnerability of the HSTS HTTP Strict Transport Security mechanism in the software web server for monitoring and analyzing network traffic in industrial networks, SINEC Traffic Analyzer, is related to the transmission of data in an open manner. Exploiting this vulnerability allows a malicious...

PT-2024-4581 · Unknown · Sinec Traffic Analyzer

Name of the Vulnerable Software and Affected Versions: SINEC Traffic Analyzer versions prior to V1.2 Description: A vulnerability has been identified in the web server of SINEC Traffic Analyzer, where it is not enforcing HSTS. This could allow an attacker to perform downgrade attacks, exposing...