CVE-2021-27198 File upload in n/a
Unauthenticated attackers can upload arbitrary files to achieve remote code execution and gain Administrator privileges on Windows systems.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-27198?
CVE-2021-27198 is a critical vulnerability in n/a, published on 26 Feb 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An issue was discovered in Visualware MyConnection Server before v11.1a. Unauthenticated Remote Code Execution can occur via Arbitrary File Upload in the web service when using a myspeed/sf?filename= URI. This application is written in Java and is thus cross-platform. The Windows installation runs as SYSTEM, which means that exploitation gives one Administrator privileges on the target system.
Weakness: CWE-434
Which versions are affected by CVE-2021-27198?
It affects 1 product.
Products include Visualware Myconnection Server.
How do I fix CVE-2021-27198?
No fix has been published for CVE-2021-27198 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-27198 being exploited?
There is no known exploitation of CVE-2021-27198 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Other vulnerabilities in n/a
- CVE-2023-42034 Visualware MyConnection Server doRTAAccessCTConfig Cross-Site Scripting Authentication Bypass Vulnerability
- CVE-2023-42032 Visualware MyConnection Server doRTAAccessUPass Exposed Dangerous Method Information Disclosure Vulnerability
- CVE-2021-27509 Missing authorization in n/a
- CVE-2023-42033 Visualware MyConnection Server doPostUploadfiles Directory Traversal Remote Code Execution Vulnerability
- CVE-2023-42035 Visualware MyConnection Server doIForward XML External Entity Processing Information Disclosure Vulnerability
Sources
Also known as GHSA-q9xv-9vww-9m7g.