Weakness (CWE)
CWE-322: Key Exchange without Entity Authentication
The product performs a key exchange with an actor without verifying the identity of that actor.
How to prevent it (2 mitigations)
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Architecture and Design
Ensure that proper authentication is included in the system design.
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Implementation
Understand and properly implement all checks necessary to ensure the identity of entities involved in encrypted communications.
Source: MITRE CWE-322
36 results · Feed
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Critical 9.1
Net::LibSSH versions before 0.004 for Perl authenticate to an unverified server because connect never checks the host key against known_hosts
Net::LibSSH versions before 0.004 for Perl authenticate to an unverified server because connect never checks the host key against known_hosts. connect reports success as soon as ssh_connect returns SSH_OK. libssh leaves the known-hosts check to the applicatio…
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Critical 9.1
Rex versions through 1.16.1 for Perl accept an unknown SSH host key for remote rsync transfers because sync hardcodes StrictHostKeyChecking=no
Rex versions through 1.16.1 for Perl accept an unknown SSH host key for remote rsync transfers because sync hardcodes StrictHostKeyChecking=no. Every remote branch of sync builds its ssh command with that option, for password authentication, for private-key a…
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Medium 4.3
Apache Airflow SFTP provider: Async SFTP hook disables host-key verification by default
The Apache Airflow SFTP provider's deferrable code paths (`SFTPTrigger`, `SFTPHookAsync`, `SFTPClientPool`) disable SSH host-key verification by default unless the connection explicitly sets `no_host_key_check` to false. Deployments that run SFTP sensors or o…
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Critical 9.1CVE-2026-94134 Public exploit
Apache Airflow SSH provider, Apache Airflow SFTP provider: SSH hook disables host-key verification by default
The Apache Airflow SSH provider hook disables SSH host-key verification by default: unless `host_key` is configured or `no_host_key_check` is explicitly set to false, it accepts any server key. This affects SSH and SFTP connections that rely on the default. A…
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Medium 5.9
FFmpeg through 9.0.2 Missing SSH Host Key Verification in sftp Protocol
FFmpeg through 9.0.2 contains a missing host key verification vulnerability in the libssh-based sftp protocol handler that allows network attackers to impersonate SFTP servers. Attackers performing man-in-the-middle, DNS, or ARP spoofing can capture passwords…
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Medium 5.9
SSH Host Key Verification Bypass in HAVELSAN's Liman Render Engine
Key exchange without entity authentication vulnerability in HAVELSAN Inc. Liman Render Engine allows Adversary in the Middle (AiTM). This issue affects Liman Render Engine: from 1.0 before 1.2-75.
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Critical 9.3
TLS 1.3 client skips server authentication when ServerHello carries an unsolicited pre_shared_key extension
Key Exchange without Entity Authentication vulnerability in Erlang/OTP ssl allows a peer that answers a TLS 1.3 client connection to impersonate the intended server. A pre_shared_key extension in the ServerHello that the client never offered causes the client…
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Medium 6.8
Disabled SSH host key verification in Amazon AWS CLI EMR helper commands
Key exchange without entity authentication in the EMR SSH helper commands in Amazon AWS CLI before 1.45.28 and AWS CLI v2 before 2.35.3 might allow man-in-the-middle attackers to intercept SSHsessions and file transfers via network positioning between the cli…
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High 8.1
Apache Airflow Git provider: Git provider hook defaults to StrictHostKeyChecking=no, disabling SSH host-key verification
The Apache Airflow Git provider runs its git-over-SSH operations with `StrictHostKeyChecking=no` by default, disabling SSH host-key verification. An attacker who can intercept the network path between an Airflow worker and the Git server can impersonate the s…
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High 8.8
Central Dogma: SSH host-key verification permanently disabled in Git mirror (SshGitMirror)
A vulnerability has been identified in centraldogma-server-mirror-git versions prior to 0.84.0, where the Git mirror SSH client does not verify remote host keys for git+ssh:// connections, allowing an on-path attacker to perform man-in-the-middle attacks and …
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High 8.1
Apache Airflow Google provider: SSH host key verification disabled in ComputeEngineSSHHook (paramiko AutoAddPolicy default)
Apache Airflow providers-google's `ComputeEngineSSHHook` disables SSH host-key verification by default, exposing SSH traffic between an Airflow worker and a Compute Engine VM to in-path network attackers who can intercept or modify the session. Users are advi…
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High 7.4
goshs: SSH host key verification disabled, allowing transparent MITM of every tunnelled HTTP request
### Summary The `--tunnel` / `-t` flag opens an outbound SSH connection to `localhost.run:22` with `HostKeyCallback: ssh.InsecureIgnoreHostKey()`. The Go documentation for that function states verbatim: *"It should not be used for production code."* With the …
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High 7.4
Claude Desktop: SSH Host Key Verification Bypass Allows Man-in-the-Middle Attack on Remote Sessions
The Claude Desktop app gives you Claude Code with a graphical interface built for running multiple sessions side by side. From 1.2581.0 to before 1.4304.0, Claude Desktop's SSH remote development feature verified only whether a hostname existed in ~/.ssh/know…
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Medium 6.4
Zero Motorcycles Firmware Key Exchange without Entity Authentication
Zero Motorcycles firmware versions 44 and prior enable an attacker to forcibly pair a device with the motorcycle via Bluetooth. Once paired, an attacker can utilize over-the-air firmware updating functionality to potentially upload malicious firmware to the m…
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High 8.7
Apstra: SSH host key validation vulnerability for managed devices
A Key Exchange without Entity Authentication vulnerability in the SSH implementation of Juniper Networks Apstra allows a unauthenticated, MITM attacker to impersonate managed devices. Due to insufficient SSH host key validation an attacker can perform a machi…
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High 7.5CVE-2026-33697 Public exploit
CoCoS attested TLS is vulnerable to relay attacks via extracted ephemeral TLS keys
Cocos AI is a confidential computing system for AI. The current implementation of attested TLS (aTLS) in CoCoS is vulnerable to a relay attack affecting all versions from v0.4.0 through v0.8.2. This vulnerability is present in both the AMD SEV-SNP and Intel T…
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Critical 9.4
Keylime: keylime: authentication bypass allows unauthorized administrative operations due to missing client-side tls authentication
A flaw was found in Keylime. The Keylime registrar, since version 7.12.0, does not enforce client-side Transport Layer Security (TLS) authentication. This authentication bypass vulnerability allows unauthenticated clients with network access to perform admini…
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High 7.0
SSH Hostkey Misconfiguration Vulnerability in Archer Devices
SSH Hostkey misconfiguration vulnerability in Archer AX53 and Archer BE3600 (tmpserver modules) allows attackers to obtain device credentials through a specially crafted man‑in‑the‑middle (MITM) attack. This could enable unauthorized access if captured creden…
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Medium 4.3
missing SFTP host verification with wolfSSH
curl's code for managing SSH connections when SFTP was done using the wolfSSH powered backend was flawed and missed host verification mechanisms. This prevents curl from detecting MITM attackers and more.
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Medium 6.9
Sandboxie exposes encrypted sandbox key during password change
Sandboxie is a sandbox-based isolation software for 32-bit and 64-bit Windows NT-based operating systems. In versions 1.16.1 and below, a critical security vulnerability exists in password handling mechanisms. During encrypted sandbox creation, user passwords…
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High 8.7
Cisco Nexus Dashboard Fabric Controller SSH Host Key Vulnerability
A vulnerability in the SSH implementation of Cisco Nexus Dashboard Fabric Controller (NDFC) could allow an unauthenticated, remote attacker to impersonate Cisco NDFC-managed devices. This vulnerability is due to insufficient SSH host key validation. An attack…
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High 8.3
Backup uploads to ETM subject to man-in-the-middle interception
Backup uploads to ETM subject to man-in-the-middle interception
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High 7.0
Brocade Fabric OS before 9.2.2 does not enforce strict host key checking
A vulnerability in Brocade Fabric OS versions before 9.2.2 could allow man-in-the-middle attackers to conduct remote Service Session Hijacking that may arise from the attacker's ability to forge an SSH key while the Brocade Fabric OS Switch is performing vari…
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Medium 6.3
Improper host key checking in active check 'Check SFTP Service' and special agent 'VNX quotas and filesystem'
Improper host key checking in active check 'Check SFTP Service' and special agent 'VNX quotas and filesystem' in Checkmk before Checkmk 2.3.0p15, 2.2.0p33, 2.1.0p48 and 2.0.0 (EOL) allows man-in-the-middle attackers to intercept traffic
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Medium 6.8
Foreman: host ssh key not being checked in remote execution
A vulnerability was found in Satellite. When running a remote execution job on a host, the host's SSH key is not being checked. When the key changes, the Satellite still connects it because it uses "-o StrictHostKeyChecking=no". This flaw can lead to a man-in…
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High 8.6
When matrix-nio receives forwarded room keys, the receiver doesn't check if it requested the key from the forwarder
matrix-nio is a Python Matrix client library, designed according to sans I/O principles. Prior to version 0.20, when a users requests a room key from their devices, the software correctly remember the request. Once they receive a forwarded room key, they acce…
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High 8.6
When matrix-rust-sdk recieves forwarded room keys, the reciever doesn't check if it requested the key from the forwarder
matrix-rust-sdk is an implementation of a Matrix client-server library in Rust, and matrix-sdk-crypto is the Matrix encryption library. Prior to version 0.6, when a user requests a room key from their devices, the software correctly remembers the request. Whe…
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High 8.6
Matrix JavaScript SDK vulnerable to key/device identifier confusion in SAS verification
Matrix JavaScript SDK is the Matrix Client-Server software development kit (SDK) for JavaScript. Prior to version 19.7.0, an attacker cooperating with a malicious homeserver could interfere with the verification flow between two users, injecting its own cross…
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High 7.5
Matrix iOS SDK vulnerable to impersonation via forwarded Megolm sessions
Matrix iOS SDK allows developers to build iOS apps compatible with Matrix. Prior to version 0.23.19, an attacker cooperating with a malicious homeserver can construct messages appearing to have come from another person. Such messages will be marked with a gre…
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High 8.6
Matrix iOS SDK vulnerable ton Olm/Megolm protocol confusion
Matrix iOS SDK allows developers to build iOS apps compatible with Matrix. Prior to version 0.23.19, an attacker cooperating with a malicious homeserver can construct messages that legitimately appear to have come from another person, without any indication s…
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High 8.6
matrix-android-sdk2 vulnerable to Olm/Megolm protocol confusion
matrix-android-sdk2 is the Matrix SDK for Android. Prior to version 1.5.1, an attacker cooperating with a malicious homeserver can construct messages that legitimately appear to have come from another person, without any indication such as a grey shield. Addi…
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High 7.5
matrix-android-sdk2 vulnerable to impersonation via forwarded Megolm sessions
matrix-android-sdk2 is the Matrix SDK for Android. Prior to version 1.5.1, an attacker cooperating with a malicious homeserver can construct messages appearing to have come from another person. Such messages will be marked with a grey shield on some platforms…
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High 8.6
Matrix Javascript SDK vulnerable to Olm/Megolm protocol confusion
Matrix Javascript SDK is the Matrix Client-Server SDK for JavaScript. Prior to version 19.7.0, an attacker cooperating with a malicious homeserver can construct messages that legitimately appear to have come from another person, without any indication such as…
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High 7.5
Matrix Javascript SDK vulnerable to impersonation via forwarded Megolm sessions
Matrix Javascript SDK is the Matrix Client-Server SDK for JavaScript. Prior to version 19.7.0, an attacker cooperating with a malicious homeserver can construct messages appearing to have come from another person. Such messages will be marked with a grey shie…
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Medium 4.8
Jenkins Git client plugin 3.11.0 does not perform SSH host key verification
Jenkins Git client Plugin 3.11.0 and earlier does not perform SSH host key verification when connecting to Git repositories via SSH, enabling man-in-the-middle attacks.
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Unscored —
In Eclipse Californium version 2.0.0 to 2.6.4 and 3.0.0-M1 to 3.0.0-M3, the certificate based (x509 and RPK) DTLS hands…