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HIGH · 8.1

CVE-2021-35979

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.

Vulnerability Description

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.

CVSS Score

8.1

HIGH

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
DigiRealport<= 1.9-40
DigiConnectport Ts 8\/16 FirmwareAll versions
DigiConnectport Ts 8\/16-
DigiConnectport Lts 8\/16\/32 FirmwareAll versions
DigiConnectport Lts 8\/16\/32-
DigiPassport Integrated Console Server FirmwareAll versions
DigiPassport Integrated Console Server-
DigiCm FirmwareAll versions
DigiCm-
DigiPortserver Ts FirmwareAll versions
DigiPortserver Ts-
DigiPortserver Ts Mei FirmwareAll versions
DigiPortserver Ts Mei-
DigiPortserver Ts Mei Hardened FirmwareAll versions
DigiPortserver Ts Mei Hardened-
DigiPortserver Ts M Mei FirmwareAll versions
DigiPortserver Ts M Mei-
Digi6350-Sr FirmwareAll versions
Digi6350-Sr-
DigiPortserver Ts P Mei FirmwareAll versions

Related Weaknesses (CWE)

CWE-306

References

FAQ

What is CVE-2021-35979?

CVE-2021-35979 is a vulnerability with a CVSS score of 8.1 (HIGH). 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.

How severe is CVE-2021-35979?

CVE-2021-35979 has been rated HIGH with a CVSS base score of 8.1/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-35979?

Check the references section above for vendor advisories and patch information. Affected products include: Digi Realport, Digi Connectport Ts 8\/16 Firmware, Digi Connectport Ts 8\/16, Digi Connectport Lts 8\/16\/32 Firmware, Digi Connectport Lts 8\/16\/32.