CVE-2021-35977

high-risk
Published 2021-10-08

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.

Do I need to act?

~
1.0% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (19)

Realport
Realport
Connectport Ts 8\/16 Firmware
Connectport Lts 8\/16\/32 Firmware
Passport Integrated Console Server Firmware
Cm Firmware
Portserver Ts Firmware
Portserver Ts Mei Firmware
Portserver Ts Mei Hardened Firmware
Portserver Ts M Mei Firmware
6350-Sr Firmware
Portserver Ts P Mei Firmware
Transport Wr11 Xt Firmware
One Iap Family Firmware
One Ia Firmware
Wr31 Firmware
Wr44 R Firmware
Connect Es Firmware
Wr21 Firmware

Affected Vendors

Digi

References (2)

Third Party Advisory https://raw.githubusercontent.com/reidmefirst/vuln-disclosure/main/2021-02.txt
Third Party Advisory https://raw.githubusercontent.com/reidmefirst/vuln-disclosure/main/2021-02.txt
54
/ 100
high-risk
Severity 32/34 · Critical
Exploitability 3/34 · Minimal
Exposure 19/34 · Moderate