CVE-2021-47771 MEDIUM

CVE-2021-47771: RDP Manager 4.9.9.3 - Denial-of-Service (PoC)

Vendor Cinspiration
Product RDP Manager
Weakness CWE-770 · Uncontrolled resource consumption
Published January 15, 2026
Last update January 26, 2026
View on NVD All CVEs

CVSS base score

6.8/10
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality —
Integrity —

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

January 15, 2026 CVE published
January 26, 2026 Record updated