What is CVE-2021-35979?

CVE-2021-35979 is a high-severity vulnerability in Digi 6350-sr, classified under Missing Authentication for Critical Function. CVSS score: 8.1/10. Published 2021-10-08.

How severe is CVE-2021-35979?

High severity. CVSS v3 base score is 8.1 out of 10.

Auth bypass in Digi 6350-sr

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 class: Broken Authentication

EPSS: 0.009 (54.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Digi 6350-sr
Digi 6350-sr_firmware
Digi Cm
Digi Cm_firmware
Digi Connect_es
Digi Connect_es_firmware
Digi Connectport_lts_8\/16\/32
Digi Connectport_lts_8\/16\/32_firmware
Digi Connectport_ts_8\/16
Digi Connectport_ts_8\/16_firmware

Weakness classification (CWE)

CWE-306 — Missing Authentication for Critical Function

References

cve@mitre.org (Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-35979?: CVE-2021-35979 is a high-severity vulnerability in Digi 6350-sr, classified under Missing Authentication for Critical Function. CVSS score: 8.1/10. Published 2021-10-08.
How severe is CVE-2021-35979?: High severity. CVSS v3 base score is 8.1 out of 10.