CVE-2021-35977

CRITICAL

Digi RealPort <4.8.488.0 - Buffer Overflow

Title source: llm
STIX 2.1

Description

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.

References (1)

Core 1
Core References

Scores

CVSS v3 9.8
EPSS 0.0103
EPSS Percentile 77.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-120
Status published
Products (19)
digi/6350-sr_firmware
digi/cm_firmware
digi/connect_es_firmware
digi/connectport_lts_8\/16\/32_firmware
digi/connectport_ts_8\/16_firmware
digi/one_ia_firmware
digi/one_iap_family_firmware
digi/passport_integrated_console_server_firmware
digi/portserver_ts_firmware
digi/portserver_ts_m_mei_firmware
... and 9 more
Published Oct 08, 2021
Tracked Since Feb 18, 2026