VYPR

CWE-294

Authentication Bypass by Capture-replay

BaseIncompleteLikelihood: High

Description

A capture-replay flaw exists when the design of the product makes it possible for a malicious user to sniff network traffic and bypass authentication by replaying it to the server in question to the same effect as the original message (or with minor changes).

Capture-replay attacks are common and can be difficult to defeat without cryptography. They are a subset of network injection attacks that rely on observing previously-sent valid commands, then changing them slightly if necessary and resending the same commands to the server.

Hierarchy (View 1000)

Parents

Children

none

Related attack patterns (CAPEC)

CAPEC-102 · CAPEC-509 · CAPEC-555 · CAPEC-561 · CAPEC-60 · CAPEC-644 · CAPEC-645 · CAPEC-652 · CAPEC-701 · CAPEC-94

CVEs mapped to this weakness (259)

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  • CVE-2026-53518HigJul 15, 2026
    risk 0.46cvss 8.1epss 0.00

    Better Auth is an authentication and authorization library for TypeScript. From 1.6.0 until 1.6.11, the @better-auth/oauth-provider POST /oauth2/token endpoint for the authorization_code grant redeems a single-use authorization code through a non-atomic find-then-delete…

  • CVE-2026-53517HigJul 15, 2026
    risk 0.46cvss 8.1epss 0.00

    Better Auth is an authentication and authorization library for TypeScript. From 1.4.8-beta.7 until 1.6.11, the @better-auth/oauth-provider POST /oauth2/token endpoint on the refresh_token grant performs a non-atomic read, validate, revoke, and mint sequence on the…

  • CVE-2026-42602HigMay 13, 2026
    risk 0.46cvss 8.1epss 0.00

    azureauthextension is the Azure Authenticator Extension. From 0.124.0 to 0.150.0, a server-side authentication bypass in azureauthextension allows any party who holds a single valid Azure access token for any scope the collector's configured identity can mint for to authenticate…

  • CVE-2025-1887HigMar 7, 2025
    risk 0.46cvss epss 0.00

    SMB forced authentication vulnerability in versions prior to 2025.35.000 of Sage 200 Spain. This vulnerability allows an authenticated attacker with administrator privileges to obtain NTLMv2-SSP Hash by changing any of the paths to a UNC path pointing to a server controlled by…

  • CVE-2023-20900HigAug 31, 2023
    risk 0.46cvss 7.1epss 0.01

    A malicious actor that has been granted Guest Operation Privileges https://docs.vmware.com/en/VMware-vSphere/8.0/vsphere-security/GUID-6A952214-0E5E-4CCF-9D2A-90948FF643EC.html  in a target virtual machine may be able to elevate their privileges if that target virtual machine…

  • CVE-2021-26824HigJul 26, 2021
    risk 0.46cvss 7.1epss 0.00

    DM FingerTool v1.19 in the DM PD065 Secure USB is susceptible to improper authentication by a replay attack, allowing local attackers to bypass user authentication and access all features and data on the USB.

  • CVE-2020-5261HigMar 25, 2020
    risk 0.46cvss 8.2epss 0.01

    Saml2 Authentication services for ASP.NET (NuGet package Sustainsys.Saml2) greater than 2.0.0, and less than version 2.5.0 has a faulty implementation of Token Replay Detection. Token Replay Detection is an important defence in depth measure for Single Sign On solutions. The…

  • CVE-2019-12887HigJun 27, 2019
    risk 0.46cvss 8.1epss 0.01

    KeyIdentity LinOTP before 2.10.5.3 has Incorrect Access Control (issue 1 of 2).

  • CVE-2025-46815HigMay 6, 2025
    risk 0.45cvss 8.0epss 0.00

    The identity infrastructure software ZITADEL offers developers the ability to manage user sessions using the Session API. This API enables the use of IdPs for authentication, known as idp intents. Following a successful idp intent, the client receives an id and token on a…

  • CVE-2026-17268MedAug 12, 2026
    risk 0.44cvss 6.8epss 0.00

    IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote authenticated attacker to bypass security restrictions due to improper validation of a session token.

  • CVE-2025-56448MedSep 15, 2025
    risk 0.44cvss 6.8epss 0.00

    The Positron PX360BT SW REV 8 car alarm system is vulnerable to a replay attack due to a failure in implementing rolling code security. The alarm system does not properly rotate or invalidate used codes, allowing repeated reuse of captured transmissions. This exposes users to…

  • CVE-2024-37016MedJul 15, 2024
    risk 0.44cvss 6.8epss 0.00

    Mengshen Wireless Door Alarm M70 2024-05-24 allows Authentication Bypass via a Capture-Replay approach.

  • CVE-2023-45794MedNov 14, 2023
    risk 0.44cvss 6.8epss 0.00

    A vulnerability has been identified in Mendix Applications using Mendix 10 (All versions < V10.4.0), Mendix Applications using Mendix 7 (All versions < V7.23.37), Mendix Applications using Mendix 8 (All versions < V8.18.27), Mendix Applications using Mendix 9 (All versions <…

  • CVE-2022-30467MedJun 29, 2022
    risk 0.44cvss 6.8epss 0.01

    Joy ebike Wolf Manufacturing year 2022 is vulnerable to Denial of service, which allows remote attackers to jam the key fob request via RF.

  • CVE-2021-40170MedDec 15, 2021
    risk 0.44cvss 6.8epss 0.01

    An RF replay attack vulnerability in the SecuritasHome home alarm system, version HPGW-G 0.0.2.23F BG_U-ITR-F1-BD_BL.A30.20181117, allows an attacker to trigger arbitrary system functionality by replaying previously recorded signals. This lets an adversary, among other things,…

  • CVE-2020-13799MedNov 18, 2020
    risk 0.44cvss 6.8epss 0.00

    Western Digital has identified a security vulnerability in the Replay Protected Memory Block (RPMB) protocol as specified in multiple standards for storage device interfaces, including all versions of eMMC, UFS, and NVMe. The RPMB protocol is specified by industry standards…

  • CVE-2020-12355MedNov 12, 2020
    risk 0.44cvss 6.8epss 0.00

    Authentication bypass by capture-replay in RPMB protocol message authentication subsystem in Intel(R) TXE versions before 4.0.30 may allow an unauthenticated user to potentially enable escalation of privilege via physical access.

  • CVE-2020-4042MedJul 10, 2020
    risk 0.44cvss 6.8epss 0.01

    Bareos before version 19.2.8 and earlier allows a malicious client to communicate with the director without knowledge of the shared secret if the director allows client initiated connection and connects to the client itself. The malicious client can replay the Bareos director's…

  • CVE-2026-18967MedAug 6, 2026
    risk 0.42cvss 6.4epss 0.00

    A flaw was found in the SAML broker component of Keycloak, an identity and access management solution. When configured as a SAML broker using the IdP-Initiated flow, Keycloak fails to enforce the OneTimeUse condition in SAML assertions. This allows an attacker who captures a…

  • CVE-2026-47341MedJun 19, 2026
    risk 0.42cvss 6.5epss 0.00

    Authentication Bypass by Capture-replay vulnerability in Apache APISIX. Attacker can benefit from certain configurations in hmac-auth to re-use a token forever, bypassing expiry. This issue affects Apache APISIX: from 3.11.0 through 3.16.0. Users are recommended to upgrade to…