Digi Realport vulnerabilities

CVE-2021-36767 [CRITICAL] CWE-916 CVE-2021-36767: In Digi RealPort through 4.10.490, authentication relies on a challenge-response mechanism that give 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 h

CVE-2023-4299 [HIGH] CWE-836 CVE-2023-4299: Digi RealPort Protocol is vulnerable to a replay attack that may allow an attacker to bypass authen Digi RealPort Protocol is vulnerable to a replay attack that may allow an attacker to bypass authentication to access connected equipment.

CVE-2021-35977 [CRITICAL] CWE-120 CVE-2021-35977: An issue was discovered in Digi RealPort for Windows through 4.8.488.0. A buffer overflow exists in 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.

CVE-2021-35979 [HIGH] CWE-306 CVE-2021-35979: An issue was discovered in Digi RealPort through 4.8.488.0. The 'encrypted' mode is vulnerable to ma 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.