Digi Realport
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By the Year
In 2026 there have been 0 vulnerabilities in Digi Realport. Realport did not have any published security vulnerabilities last year.
| Year | Vulnerabilities | Average Score |
|---|---|---|
| 2026 | 0 | 0.00 |
| 2025 | 0 | 0.00 |
| 2024 | 0 | 0.00 |
| 2023 | 1 | 8.10 |
| 2022 | 0 | 0.00 |
| 2021 | 3 | 9.23 |
It may take a day or so for new Realport vulnerabilities to show up in the stats or in the list of recent security vulnerabilities. Additionally vulnerabilities may be tagged under a different product or component name.
Recent Digi Realport Security Vulnerabilities
Digi RealPort Auth Bypass via Replay Attack
CVE-2023-4299
8.1 - High
- August 31, 2023
Digi RealPort Protocol is vulnerable to a replay attack that may allow an attacker to bypass authentication to access connected equipment.
Use of Password Hash Instead of Password for Authentication
An issue was discovered in Digi RealPort through 4.8.488.0
CVE-2021-35979
8.1 - High
- October 08, 2021
An issue was discovered in Digi RealPort through 4.8.488.0. The 'encrypted' mode is vulnerable to man-in-the-middle attacks and does not perform authentication.
Missing Authentication for Critical Function
An issue was discovered in Digi RealPort for Windows through 4.8.488.0
CVE-2021-35977
9.8 - Critical
- October 08, 2021
An issue was discovered in Digi RealPort for Windows through 4.8.488.0. A buffer overflow exists in the handling of ADDP discovery response messages. This could result in arbitrary code execution.
Classic Buffer Overflow
In Digi RealPort through 4.10.490, authentication relies on a challenge-response mechanism
CVE-2021-36767
9.8 - Critical
- October 08, 2021
In Digi RealPort through 4.10.490, authentication relies on a challenge-response mechanism that gives access to the server password, making the protection ineffective. An attacker may send an unauthenticated request to the server. The server will reply with a weakly-hashed version of the server's access password. The attacker may then crack this hash offline in order to successfully login to the server.
Use of Password Hash With Insufficient Computational Effort
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