Realport
CVE-2021-35979
HIGH
Severity by source
AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Lifecycle Timeline
1DescriptionNVD
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.
AnalysisAI
An issue was discovered in Digi RealPort through 4.8.488.0. Rated high severity (CVSS 8.1), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.
Technical ContextAI
This vulnerability is classified as Missing Authentication for Critical Function (CWE-306), which allows attackers to access critical functionality without authentication. 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. Affected products include: Digi Realport, Digi Connectport Ts 8\/16 Firmware, Digi Connectport Lts 8\/16\/32 Firmware, Digi Passport Integrated Console Server Firmware, Digi Cm Firmware. Version information: through 4.8.488.0..
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Require authentication for all sensitive operations, implement defense in depth.
In Digi RealPort through 4.10.490, authentication relies on a challenge-response mechanism that gives access to the serv
An issue was discovered in Digi RealPort for Windows through 4.8.488.0. Rated critical severity (CVSS 9.8), this vulnera
Digi RealPort Protocol is vulnerable to a replay attack that may allow an attacker to bypass authentication to access co
Same technique Authentication Bypass
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External POC / Exploit Code
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