CVE-2021-35977

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.
Classic Buffer Overflow
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
mitreCNA
---
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 70%
VendorProductVersion
digirealport
𝑥
≤ 1.9-40
digirealport
𝑥
≤ 4.8.488.0
digiconnectport_ts_8\/16_firmware
*
digiconnectport_lts_8\/16\/32_firmware
*
digipassport_integrated_console_server_firmware
*
digicm_firmware
*
digiportserver_ts_firmware
*
digiportserver_ts_mei_firmware
*
digiportserver_ts_mei_hardened_firmware
*
digiportserver_ts_m_mei_firmware
*
digi6350-sr_firmware
*
digiportserver_ts_p_mei_firmware
*
digitransport_wr11_xt_firmware
*
digione_iap_family_firmware
*
digione_ia_firmware
*
digiwr31_firmware
*
digiwr44_r_firmware
*
digiconnect_es_firmware
*
digiwr21_firmware
*
𝑥
= Vulnerable software versions