VULNERABILITY INTELLIGENCE
CVE-2021-35977
CVSS score9.8 CRITICAL
EPSS probability1.58%
CISA KEVNot currently listed
Published2021-10-08
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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.
Weakness classification
- CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Primary references
- cve@mitre.org — Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory