CWE-294— Authentication Bypass by Capture-replay
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).— MITRE CWE catalog
321 active CVEs classified under this weakness category. Sourced from NVD, GHSA, and vendor advisories. Full definition on MITRE →
CVEs classified under CWE-294page 6 of 7
- CVE-2026-104381MEDIUMCVSS 6.0EG 6.02026-10-27
A missing authentication vulnerability in Fireware OS's FireCluster state synchronization feature allows an unauthenticated attacker positioned on the cluster synchronization network segment to force premature VPN tunnel termination by sen…
- CVE-2026-100834MEDIUMCVSS 5.9EG 5.92026-09-27
http4k's Digest authentication module (org.http4k:http4k-security-digest) before versions 6.48.0.0, 5.42.0.0 and 4.51.0.0 defaults the nonceVerifier parameter of ServerFilters.DigestAuth and DigestAuthProvider to { true }, so every nonce i…
- CVE-2026-69206MEDIUMCVSS 5.9EG 5.92026-09-15
Http4s is a Scala interface for HTTP services. Prior to 0.23.35 and 1.0.0-M47, DigestAuth replay protection records lastNc plus one instead of the highest nonce-count value it has accepted. When a legitimate client sends noncontiguous nc v…
- CVE-2026-54779MEDIUMCVSS 5.9EG 5.92026-06-19
CoreWCF is a port of the service side of Windows Communication Foundation (WCF) to .NET Core. Prior to 1.8.1 and 1.9.1, CoreWCF SAML token replay protection is inoperative because DefaultTokenReplayCache.TryAdd does not reject duplicate to…
- CVE-2026-46538MEDIUMCVSS 5.9EG 5.92026-05-27
Microsoft UFO open-source framework for intelligent automation across devices and platforms. In 3.0.1-4-ge2626659, Microsoft UFO's constellation client tracks pending task responses by session_id only and does not verify that a TASK_END me…
- CVE-2025-35061MEDIUMCVSS 5.9EG 5.92025-10-09
Newforma Info Exchange (NIX) '/NPCSRemoteWeb/LegacyIntegrationServices.asmx' allows a remote, unauthenticated attacker to cause NIX to make an SMB connection to an attacker-controlled system. The attacker can capture the NTLMv2 hash of the…
- CVE-2025-35058MEDIUMCVSS 5.9EG 5.92025-10-09
Newforma Info Exchange (NIX) '/UserWeb/Common/MarkupServices.ashx' allows a remote, unauthenticated attacker to cause NIX to make an SMB connection to an attacker-controlled system. The attacker can capture the NTLMv2 hash of the customer-…
- CVE-2025-6533MEDIUMCVSS 5.9EG 5.92025-06-24
A vulnerability, which was classified as critical, has been found in xxyopen/201206030 novel-plus up to 5.1.3. Affected by this issue is the function ajaxLogin of the file novel-admin/src/main/java/com/java2nb/system/controller/LoginContro…
- CVE-2023-6374MEDIUMCVSS 5.9EG 5.92024-01-30
Authentication Bypass by Capture-replay vulnerability in Mitsubishi Electric Corporation MELSEC WS Series WS0-GETH00200 all serial numbers allows a remote unauthenticated attacker to bypass authentication by capture-replay attack and illeg…
- CVE-2023-33621MEDIUMCVSS 5.9EG 5.92023-06-13
GL.iNET GL-AR750S-Ext firmware v3.215 inserts the admin authentication token into a GET request when the OpenVPN Server config file is downloaded. The token is then left in the browser history or access logs, potentially allowing attackers…
- CVE-2022-43704MEDIUMCVSS 5.9EG 5.92023-01-20
The Sinilink XY-WFT1 WiFi Remote Thermostat, running firmware 1.3.6, allows an attacker to bypass the intended requirement to communicate using MQTT. It is possible to replay Sinilink aka SINILINK521 protocol (udp/1024) commands interfacin…
- CVE-2022-29593MEDIUMCVSS 5.9EG 5.92022-07-14
relay_cgi.cgi on Dingtian DT-R002 2CH relay devices with firmware 3.1.276A allows an attacker to replay HTTP post requests without the need for authentication or a valid signed/authorized request.
- CVE-2021-27195MEDIUMCVSS 5.9EG 5.92021-03-25
Improper Authorization vulnerability in Netop Vision Pro up to and including to 9.7.1 allows an attacker to replay network traffic.
- CVE-2021-22267MEDIUMCVSS 5.9EG 5.92021-02-09
Idelji Web ViewPoint Suite, as used in conjunction with HPE NonStop, allows a remote replay attack for T0320L01^ABP through T0320L01^ABZ, T0952L01^AAH through T0952L01^AAR, T0986L01 through T0986L01^AAF, T0665L01^AAP, and T0662L01^AAP (L) …
- CVE-2020-24722MEDIUMCVSS 5.9EG 5.92020-10-07
An issue was discovered in the GAEN (aka Google/Apple Exposure Notifications) protocol through 2020-10-05, as used in COVID-19 applications on Android and iOS. The encrypted metadata block with a TX value lacks a checksum, allowing bitflip…
- CVE-2020-9438MEDIUMCVSS 5.9EG 5.92020-06-23
Tinxy Door Lock with firmware before 3.2 allow attackers to unlock a door by replaying an Unlock request that occurred when the attacker was previously authorized. In other words, door-access revocation is mishandled.
- CVE-2013-1351MEDIUMCVSS 5.9EG 5.92020-01-30
Verax NMS prior to 2.10 allows authentication via the encrypted password without knowing the cleartext password.
- CVE-2020-5300MEDIUMCVSS 5.8EG 5.82020-04-06
In Hydra (an OAuth2 Server and OpenID Certified™ OpenID Connect Provider written in Go), before version 1.4.0+oryOS.17, when using client authentication method 'private_key_jwt' [1], OpenId specification says the following about assertio…
- CVE-2020-27269MEDIUMCVSS 5.7EG 5.72021-01-19
In SOOIL Developments Co., Ltd Diabecare RS, AnyDana-i and AnyDana-A, the communication protocol of the insulin pump and its AnyDana-i and AnyDana-A mobile applications lacks replay protection measures, which allows unauthenticated, physic…
- CVE-2019-9158MEDIUMCVSS 5.7EG 5.72019-06-05
Gemalto DS3 Authentication Server 2.6.1-SP01 has Broken Access Control.
- CVE-2026-82470MEDIUMCVSS 5.4EG 5.42026-08-29
Rodauth before 2.47.0 contains a time-based one-time password reuse vulnerability in the otp feature that fails to track the last accepted code timestamp. Attackers who observe a valid TOTP code can replay it during the drift window to byp…
- CVE-2024-52534MEDIUMCVSS 5.4EG 5.42024-12-25
Dell ECS, version(s) prior to ECS 3.8.1.3, contain(s) an Authentication Bypass by Capture-replay vulnerability. A low privileged attacker with remote access could potentially exploit this vulnerability, leading to Session theft.
- CVE-2024-5249MEDIUMCVSS 5.4EG 5.42024-07-30
In versions of Akana API Platform prior to 2024.1.0, SAML tokens can be replayed.
- CVE-2023-36857MEDIUMCVSS 5.4EG 5.42023-10-19
Baker Hughes – Bently Nevada 3500 System TDI Firmware version 5.05 contains a replay vulnerability which could allow an attacker to replay older captured packets of traffic to the device to gain access.
- CVE-2021-41030MEDIUMCVSS 5.4EG 5.42021-12-08
An authentication bypass by capture-replay vulnerability [CWE-294] in FortiClient EMS versions 7.0.1 and below and 6.4.4 and below may allow an unauthenticated attacker to impersonate an existing user by intercepting and re-using valid SAM…
- CVE-2020-23178MEDIUMCVSS 5.4EG 5.42021-07-02
An issue exists in PHP-Fusion 9.03.50 where session cookies are not deleted once a user logs out, allowing for an attacker to perform a session replay attack and impersonate the victim user.
- CVE-2020-12692MEDIUMCVSS 5.4EG 5.42020-05-07
An issue was discovered in OpenStack Keystone before 15.0.1, and 16.0.0. The EC2 API doesn't have a signature TTL check for AWS Signature V4. An attacker can sniff the Authorization header, and then use it to reissue an OpenStack token an …
- CVE-2024-45244MEDIUMCVSS 5.3EG 5.42024-08-25
Hyperledger Fabric through 3.0.0 and 2.5.x through 2.5.9 do not verify that a request has a timestamp within the expected time window.
- CVE-2026-82220MEDIUMCVSS 5.3EG 5.32026-08-28
Unauthenticated Other Vulnerability Type in Forminator <= 1.57.1 versions.
- CVE-2026-16083MEDIUMCVSS 5.3EG 5.32026-07-18
A security flaw has been discovered in Sipeed PicoClaw up to 0.2.9. This affects the function webhook.ParseRequest of the file pkg/channels/line/line.go of the component LINE Webhook. The manipulation results in authentication bypass by ca…
- CVE-2026-35141MEDIUMCVSS 5.3EG 5.32026-07-16
HCL DFXAnalytics is affected by a Login Replay Attack vulnerability. The application allows a remote attacker to intercept, delay, or fraudulently retransmit valid authentication data to achieve unauthorized access. To mitigate this risk, …
- CVE-2023-33854MEDIUMCVSS 5.3EG 5.32026-06-22
IBM Db2 on Cloud Pak for Data and Db2 Warehouse on Cloud Pak for Data versions 4.8, 5.0, 5.1, 5.2, and 5.3 could allow an authenticated user to bypass client-side validation and manipulate input data using man in the middle techniques.
- CVE-2026-7168MEDIUMCVSS 5.3EG 5.32026-05-13
Successfully using libcurl to do a transfer over a specific HTTP proxy (`proxyA`) with **Digest** authentication and then changing the proxy host to a second one (`proxyB`) for a second transfer, reusing the same handle, makes libcurl wron…
- CVE-2026-41351MEDIUMCVSS 5.3EG 5.32026-04-23
OpenClaw before 2026.3.31 contains a replay detection bypass vulnerability in webhook signature handling that treats Base64 and Base64URL encoded signatures as distinct requests. Attackers can re-encode Telnyx webhook signatures to bypass …
- CVE-2026-41337MEDIUMCVSS 5.3EG 5.32026-04-23
OpenClaw before 2026.3.31 contains a callback origin mutation vulnerability in Plivo voice-call replay that allows attackers to mutate in-process callback origin before replay rejection. Attackers with captured valid callbacks for live cal…
- CVE-2026-24027MEDIUMCVSS 5.3EG 5.32026-02-09
Crafted zones can lead to increased incoming network traffic.
- CVE-2025-35057MEDIUMCVSS 5.3EG 5.32025-10-09
Newforma Info Exchange (NIX) '/RemoteWeb/IntegrationServices.ashx' allows a remote, unauthenticated attacker to cause NIX to make an SMB connection to an attacker-controlled system. The attacker can capture the NTLMv2 hash of the NIX servi…
- CVE-2023-50128MEDIUMCVSS 5.3EG 5.32024-01-11
The remote keyless system of the Hozard alarm system (alarmsystemen) v1.0 sends an identical radio frequency signal for each request, which results in an attacker being able to conduct replay attacks to bring the alarm system to a disarmed…
- CVE-2022-27254MEDIUMCVSS 5.3EG 5.32022-03-23
The remote keyless system on Honda Civic 2018 vehicles sends the same RF signal for each door-open request, which allows for a replay attack, a related issue to CVE-2019-20626.
- CVE-2021-46145MEDIUMCVSS 5.3EG 5.32022-01-06
The keyfob subsystem in Honda Civic 2012 vehicles allows a replay attack for unlocking. This is related to a non-expiring rolling code and counter resynchronization.
- CVE-2018-16242MEDIUMCVSS 5.3EG 5.32018-09-14
oBike relies on Hangzhou Luoping Smart Locker to lock bicycles, which allows attackers to bypass the locking mechanism by using Bluetooth Low Energy (BLE) to replay ciphertext based on a predictable nonce used in the locking protocol.
- CVE-2018-14781MEDIUMCVSS 5.3EG 5.32018-08-13
Medtronic MiniMed MMT devices when paired with a remote controller and having the “easy bolus” and “remote bolus” options enabled (non-default), are vulnerable to a capture-replay attack. An attacker can capture the wireless tran…
- CVE-2025-9100MEDIUMCVSS 3.7EG 5.32025-08-18
A security flaw has been discovered in zhenfeng13 My-Blog 1.0.0. This vulnerability affects unknown code of the file /blog/comment of the component Frontend Blog Article Comment Handler. The manipulation leads to authentication bypass by c…
- CVE-2026-4583MEDIUMCVSS 5.0EG 5.02026-03-23
A vulnerability was detected in Shenzhen HCC Technology MPOS M6 PLUS 1V.31-N. Affected by this issue is some unknown functionality of the component Bluetooth Handler. Performing a manipulation results in authentication bypass by capture-re…
- CVE-2020-14302MEDIUMCVSS 4.9EG 4.92020-12-15
A flaw was found in Keycloak before 13.0.0 where an external identity provider, after successful authentication, redirects to a Keycloak endpoint that accepts multiple invocations with the use of the same "state" parameter. This flaw allow…
- CVE-2025-48012MEDIUMCVSS 4.8EG 4.82025-05-21
Authentication Bypass by Capture-replay vulnerability in Drupal One Time Password allows Remote Services with Stolen Credentials.This issue affects One Time Password: from 0.0.0 before 1.3.0.
- CVE-2025-47706MEDIUMCVSS 4.8EG 4.82025-05-14
Authentication Bypass by Capture-replay vulnerability in Drupal Enterprise MFA - TFA for Drupal allows Remote Services with Stolen Credentials.This issue affects Enterprise MFA - TFA for Drupal: from 0.0.0 before 4.7.0, from 5.0.0 before 5…
- CVE-2024-29901MEDIUMCVSS 4.8EG 4.82024-03-29
The AuthKit library for Next.js provides helpers for authentication and session management using WorkOS & AuthKit with Next.js. A user can reuse an expired session by controlling the `x-workos-session` header. The vulnerability is patched …
- CVE-2026-73443MEDIUMCVSS 4.7EG 4.72026-09-16
On affected platforms running Arista EOS with VRRPv2 IP-AH authentication configured, an unauthenticated attacker within the same layer 2 network segment on which VRRP is running can capture a legitimate authenticated VRRP advertisement an…
- CVE-2026-53636MEDIUMCVSS 4.7EG 4.72026-09-02
Open edX Platform enables the authoring and delivery of online learning at any scale. Prior to commit 3a5ac85, a security vulnerability has been identified in the Open edX LMS platform's LTI (Learning Tools Interoperability) Provider imple…
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