CVE-2021-30116

Kaseya VSA before 9.5.7 allows credential disclosure, as exploited in the wild in July 2021. By default Kaseya VSA on premise offers a download page where the clients for the installation can be downloaded. The default URL for this page is https://x.x.x.x/dl.asp When an attacker download a client...

CVE-2021-30120

Kaseya VSA before 9.5.7 allows attackers to bypass the 2FA requirement. The need to use 2FA for authentication in enforce client-side instead of server-side and can be bypassed using a local proxy. Thus rendering 2FA useless. Detailed description --- During the login process, after the user...

Authentication flaw

Kaseya VSA before 9.5.7 allows credential disclosure, as exploited in the wild in July 2021. By default Kaseya VSA on premise offers a download page where the clients for the installation can be downloaded. The default URL for this page is https://x.x.x.x/dl.asp When an attacker download a client...

Design/Logic Flaw

Kaseya VSA before 9.5.7 allows attackers to bypass the 2FA requirement. The need to use 2FA for authentication in enforce client-side instead of server-side and can be bypassed using a local proxy. Thus rendering 2FA useless. Detailed description --- During the login process, after the user...

Authentication flaw

An attacker can upload files with the privilege of the Web Server process for Kaseya VSA Unified Remote Monitoring & Management RMM 9.5.4.2149 and subsequently use these files to execute asp commands The api /SystemTab/uploader.aspx is vulnerable to an unauthenticated arbitrary file upload leadin...

CVE-2021-30201 Unauthenticated XML External Entity vulnerability in Kaseya VSA < v9.5.6

The API /vsaWS/KaseyaWS.asmx can be used to submit XML to the system. When this XML is processed external entities are insecurely processed and fetched by the system and returned to the attacker. Detailed description Given the following request: POST /vsaWS/KaseyaWS.asmx HTTP/1.1 Content-Type:...

CVE-2021-30121 (Semi-)Authenticated local file inclusion in Kaseya VSA < v9.5.6

Semi-authenticated local file inclusion The contents of arbitrary files can be returned by the webserver Example request: https://x.x.x.x/KLC/js/Kaseya.SB.JS/js.aspx?path=C:\Kaseya\WebPages\dl.asp A valid sessionId is required but can be easily obtained via CVE-2021-30118...

CVE-2021-30120 2FA bypass in Kaseya VSA <= v9.5.6

Kaseya VSA before 9.5.7 allows attackers to bypass the 2FA requirement. The need to use 2FA for authentication in enforce client-side instead of server-side and can be bypassed using a local proxy. Thus rendering 2FA useless. Detailed description --- During the login process, after the user...

CVE-2021-30120

Kaseya VSA versions prior to 9.5.7 are vulnerable to a Two-Factor Authentication (2FA) bypass due to an insecure design where 2FA enforcement occurs on the client-side rather than the server-side. During the login process, after the initial username and password authentication, the server sends r...

CVE-2021-30119 Authenticated Authenticated reflective XSS in Kaseya VSA <= v9.5.6

Authenticated reflective XSS in HelpDeskTab/rcResults.asp The parameter result of /HelpDeskTab/rcResults.asp is insecurely returned in the requested web page and can be used to perform a Cross Site Scripting attack Example request:...

CVE-2021-30118 Unauthenticated Remote Code Execution in Kaseya VSA < v9.5.5

An attacker can upload files with the privilege of the Web Server process for Kaseya VSA Unified Remote Monitoring & Management RMM 9.5.4.2149 and subsequently use these files to execute asp commands The api /SystemTab/uploader.aspx is vulnerable to an unauthenticated arbitrary file upload leadin...

CVE-2021-30118

CVE-2021-30118 affects Kaseya VSA (RMM) prior to 9.5.7, via unauthenticated arbitrary file upload in the web UI path /SystemTab/uploader.aspx. The request can write files with arbitrary content to locations the web server can access (e.g., webroot) and, if code (ASPX) is uploaded, execute it in t...

CVE-2021-30117 Authenticated SQL injection in Kaseya VSA < v9.5.6

The API call /InstallTab/exportFldr.asp is vulnerable to a semi-authenticated boolean-based blind SQL injection in the parameter fldrId. Detailed description --- Given the following request: GET /InstallTab/exportFldr.asp?fldrId=1’ HTTP/1.1 Host: 192.168.1.194 User-Agent: Mozilla/5.0 Macintosh;...

PT-2021-18609

Name of the Vulnerable Software and Affected Versions Kaseya VSA Unified Remote Monitoring & Management RMM version 9.5.4.2149 Description The issue allows an attacker to upload files with arbitrary content to any location the web server has write access to, including the webroot, due to an...

CVE-2021-30116 Unauthenticated credential leak and business logic flaw in Kaseya VSA <= v9.5.6

Kaseya VSA before 9.5.7 allows credential disclosure, as exploited in the wild in July 2021. By default Kaseya VSA on premise offers a download page where the clients for the installation can be downloaded. The default URL for this page is https://x.x.x.x/dl.asp When an attacker download a client...

CVE-2021-30116 Unauthenticated credential leak and business logic flaw in Kaseya VSA <= v9.5.6

Kaseya VSA before 9.5.7 allows credential disclosure, as exploited in the wild in July 2021. By default Kaseya VSA on premise offers a download page where the clients for the installation can be downloaded. The default URL for this page is https://x.x.x.x/dl.asp When an attacker download a client...

CVE-2021-30116

Kaseya VSA before 9.5.7 allows credential disclosure, as exploited in the wild in July 2021. By default Kaseya VSA on premise offers a download page where the clients for the installation can be downloaded. The default URL for this page is https://x.x.x.x/dl.asp When an attacker download a client...

CVE-2021-30116

Kaseya VSA on-premises prior to 9.5.7 is affected by CVE-2021-30116. An unauthenticated download page (dl.asp) exposes KaseyaD.ini, which contains Agent_Guid and AgentPassword. An attacker can use these credentials to log in to the download page and obtain a sessionId cookie, bypassing authentica...

PT-2021-18610

Name of the Vulnerable Software and Affected Versions Kaseya VSA versions prior to 9.5.7 Description The issue is related to an authenticated reflective Cross Site Scripting XSS attack. Specifically, the result parameter of the /HelpDeskTab/rcResults.asp endpoint and the FileName parameter of the...

PT-2021-18612

Name of the Vulnerable Software and Affected Versions Kaseya VSA versions prior to 9.5.7 Description The issue allows attackers to bypass the 2-factor authentication 2FA requirement. This is possible because the need to use 2FA for authentication is enforced client-side instead of server-side,...