CVE-2021-35977 is a critical buffer overflow vulnerability affecting Digi RealPort for Windows versions through 4.8.488.0, specifically in its handling of ADDP discovery response messages. With a CVSS score of 9.8, this vulnerability allows for unauthenticated, remote arbitrary code execution with low attack complexity. Despite its high severity and potential for complete compromise (confidentiality, integrity, and availability), there is currently no public exploit code available, nor is it known to be actively exploited, and it has received minimal community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 1.9-40CPE matchmatch criteria | cpe:2.3:a:digi:realport:*:*:*:*:*:linux:*:* | ||
<= 4.8.488.0CPE matchmatch criteria | cpe:2.3:a:digi:realport:*:*:*:*:*:windows:*:* | ||
All Versions ImpactedCPE matchmatch criteria | cpe:2.3:o:digi:connectport_ts_8\/16_firmware:*:*:*:*:*:*:*:* | ||
All Versions ImpactedCPE matchmatch criteria | cpe:2.3:o:digi:connectport_lts_8\/16\/32_firmware:*:*:*:*:*:*:*:* | ||
All Versions ImpactedCPE matchmatch criteria | cpe:2.3:o:digi:passport_integrated_console_server_firmware:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.