CVE-2023-43652 Non-MFA account takeover via using only SSH public key to login in jumpserver

JumpServer is an open source bastion host. As an unauthenticated user, it is possible to authenticate to the core API with a username and an SSH public key without needing a password or the corresponding SSH private key. An SSH public key should be considered public knowledge and should not used ...

CVE-2023-43652 Non-MFA account takeover via using only SSH public key to login in jumpserver

JumpServer is an open source bastion host. As an unauthenticated user, it is possible to authenticate to the core API with a username and an SSH public key without needing a password or the corresponding SSH private key. An SSH public key should be considered public knowledge and should not used ...

CVE-2023-43652

CVE-2023-43652 affects JumpServer (open source bastion host). An unauthenticated user can authenticate to the core API using a username and an SSH public key without a password or private key, enabling access to the current user’s information and authorized actions. The vulnerability stems from a...

CVE-2023-43652 Non-MFA account takeover via using only SSH public key to login in jumpserver

JumpServer is an open source bastion host. As an unauthenticated user, it is possible to authenticate to the core API with a username and an SSH public key without needing a password or the corresponding SSH private key. An SSH public key should be considered public knowledge and should not used ...

CVE-2023-42820

JumpServer is an open source bastion host. This vulnerability is due to exposing the random number seed to the API, potentially allowing the randomly generated verification codes to be replayed, which could lead to password resets. If MFA is enabled users are not affect. Users not using local...

CVE-2023-42819

JumpServer is an open source bastion host. Logged-in users can access and modify the contents of any file on the system. A user can use the 'Job-Template' menu and create a playbook named 'test'. Get the playbook id from the detail page, like 'e0adabef-c38f-492d-bd92-832bacc3df5f'. An attacker ca...

Directory traversal

JumpServer is an open source bastion host. Logged-in users can access and modify the contents of any file on the system. A user can use the 'Job-Template' menu and create a playbook named 'test'. Get the playbook id from the detail page, like 'e0adabef-c38f-492d-bd92-832bacc3df5f'. An attacker ca...

Design/Logic Flaw

JumpServer is an open source bastion host. This vulnerability is due to exposing the random number seed to the API, potentially allowing the randomly generated verification codes to be replayed, which could lead to password resets. If MFA is enabled users are not affect. Users not using local...

Exploit for Improper Authentication in Fit2Cloud Jumpserver

Process of exploiting the JumpServer unauthorized acce...

CVE-2023-42818: Improper Authentication

JumpServer is an open source bastion host. When users enable MFA and use a public key for authentication, the Koko SSH server does not verify the corresponding SSH private key. An attacker could exploit a vulnerability by utilizing a disclosed public key to attempt brute-force authentication...

CVE-2023-43650: Weak Password Recovery Mechanism for Forgotten Password

JumpServer is an open source bastion host. The verification code for resetting user's password is vulnerable to brute-force attacks due to the absence of rate limiting. JumpServer provides a feature allowing users to reset forgotten passwords. Affected users are sent a 6-digit verification code,...

CVE-2023-43651: Improper Control of Generation of Code

JumpServer is an open source bastion host. An authenticated user can exploit a vulnerability in MongoDB sessions to execute arbitrary commands, leading to remote code execution. This vulnerability may further be leveraged to gain root privileges on the system. Through the WEB CLI interface provid...

PT-2023-7221

Name of the Vulnerable Software and Affected Versions JumpServer versions prior to 3.5.6 JumpServer versions prior to 3.6.5 Description The issue is related to the Koko SSH server in JumpServer, an open source bastion host. When users enable MFA and use a public key for authentication, the Koko S...

Jumpserver Authorization Issues Vulnerability

Jumpserver is an open source bastion machine from Hangzhou Feizhiyun Information Technology Co. in China. JumpServer suffers from an authorization issue vulnerability that stems from the fact that when a user enables MFA and authenticates with a public key, the Koko SSH server does not validate t...

CVE-2023-43652: Missing Authorization

JumpServer is an open source bastion host. As an unauthenticated user, it is possible to authenticate to the core API with a username and an SSH public key without needing a password or the corresponding SSH private key. An SSH public key should be considered public knowledge and should not used ...

Jumpserver Path Traversal Vulnerability

Jumpserver is an open source bastion machine from China's Hangzhou Feizhiyun Information Technology Co. JumpServer suffers from a path traversal vulnerability that originates when a logged in user can access and modify the contents of any file on the system...

CVE-2023-42820

JumpServer is an open source bastion host. This vulnerability is due to exposing the random number seed to the API, potentially allowing the randomly generated verification codes to be replayed, which could lead to password resets. If MFA is enabled users are not affect. Users not using local...

PT-2023-28901 · Unknown · Jumpserver

Name of the Vulnerable Software and Affected Versions: JumpServer versions prior to 2.28.20 JumpServer versions prior to 3.7.1 Description: The verification code for resetting a user's password in JumpServer is vulnerable to brute-force attacks due to the absence of rate limiting. This allows for...

Jumpserver Authorization Issues Vulnerability

Jumpserver is an open source bastion machine from China's Hangzhou Feizhiyun Information Technology Co. JumpServer suffers from an authorization issue vulnerability, which stems from the fact that the authentication code to reset a user's password is not rate-limited and is susceptible to...

Jumpserver Code Injection Vulnerability

Jumpserver is an open source bastion machine from Hangzhou Feizhiyun Information Technology Co. in China. JumpServer suffers from a code injection vulnerability that originates from an authenticated user who can execute arbitrary commands using a vulnerability in a MongoDB session, leading to...