CVE-2021-47771

RDP Manager 4.9.9.3 - Denial-of-Service (PoC)

CVSS 6.8 MEDIUMEPSS 0.2%CWE-770

Vexday Risk Score

13Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 6.8EPSS 0.2%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

15 Jan 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

RDP Manager 4.9.9.3 contains a denial of service vulnerability in connection input fields that allows local attackers to crash the application. Attackers can add oversized entries in Verbindungsname and Server fields to permanently freeze and crash the software, potentially requiring full reinstallation.

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Affected products

Cinspiration · RDP Manager

References

https://web.archive.org/web/20210613025240/https://www.cinspiration.de/download.html https://www.exploit-db.com/exploits/50484 https://www.vulnerability-lab.com/get_content.php?id=2309