Resource exhaustion in Cinspiration RDP Manager
CVE-2021-47771
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.
EPSS: 0.002 (13.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Cinspiration Rdp Manager — versions 4.9.9.3
- Cinspiration Rdp_manager — versions 4.9.9.3
Weakness classification (CWE)
References
- disclosure@vulncheck.com (Exploit, Third Party Advisory, exploit)
- disclosure@vulncheck.com (Product, product, Release Notes)
- disclosure@vulncheck.com (technical-description, Third Party Advisory, exploit)
Frequently asked questions
- What is CVE-2021-47771?
- CVE-2021-47771 is a medium-severity vulnerability in Cinspiration RDP Manager, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 5.5/10. Published 2026-01-15.
- How severe is CVE-2021-47771?
- Medium severity. CVSS v3 base score is 5.5 out of 10.