RDP Manager 4.9.9.3 - Denial-of-Service (PoC)
Priority MEDIUM 63CWE-770Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-770.
Summary
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.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00248 16th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by the CNA and NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Cinspiration | RDP Manager | 4.9.9.3 | — | No fix listed | CNA |
- RDP Manager VendorCinspiration Affected 4.9.9.3 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:cinspiration:rdp_manager:4.9.9.3:*:*:*:*:*:*:* | 4.9.9.3 | Vulnerable | Cinspiration |
- cpe:2.3:a:cinspiration:rdp_manager:4.9.9.3:*:*:*:*:*:*:* Versions 4.9.9.3 Vulnerable ·Cinspiration
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-47771
- 2026-10-03 Alias added: GHSA-9mq4-vwgf-j98g
References
Sources
- CVE-2021-47771 · CVE Program
- CVE-2021-47771 · NVD
- FIRST EPSS
- GHSA-9mq4-vwgf-j98g · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences