CVE-2021-47771

low-risk
Published 2026-01-15

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.

Do I need to act?

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0.01% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.5/10 Medium
LOCAL / LOW complexity

Affected Products (1)

Rdp Manager

Affected Vendors

Cinspiration

References (5)

Product https://web.archive.org/web/20210613025240/https://www.cinspiration.de/download....
Exploit https://www.exploit-db.com/exploits/50484
Third Party Advisory https://www.vulnerability-lab.com/get_content.php?id=2309
Exploit https://www.exploit-db.com/exploits/50484
Third Party Advisory https://www.vulnerability-lab.com/get_content.php?id=2309
23
/ 100
low-risk
Severity 18/34 · Moderate
Exploitability 0/34 · Minimal
Exposure 5/34 · Minimal