Strix
63.1K

CVE-2026-20302

MEDIUMCVSS 6.1/10EPSS 0.18%

Last modified

CVE-2026-20302 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. A vulnerability in the USB driver of Cisco RoomOS could allow an unauthenticated, local attacker with physical access to the USB port on an affected device to execute arbitrary code with root privileges. This vulnerability is due to insufficient boundary checks for specific data that is provided through the USB driver. An attacker could exploit this vulnerability by connecting a malicious USB device to an affected device. EPSS estimates a 0.18% chance of exploitation in the next 30 days.

Description

A vulnerability in the USB driver of Cisco RoomOS could allow an unauthenticated, local attacker with physical access to the USB port on an affected device to execute arbitrary code with root privileges. This vulnerability is due to insufficient boundary checks for specific data that is provided through the USB driver. An attacker could exploit this vulnerability by connecting a malicious USB device to an affected device. A successful exploit could allow the attacker to cause a buffer overflow condition on the affected system and execute arbitrary code with root privileges.

Metrics

CVSS 3.1
6.1/10

CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

EPSS Probability
0.18%

8.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
CiscoCisco RoomOS SoftwareRoomOS 10.11.2.2; RoomOS 10.15.2.2; RoomOS 11.5.4.6; RoomOS 11.5.2.4; RoomOS 10.8.2.5; RoomOS 10.11.5.2; RoomOS 10.11.3.0; RoomOS 10.15.5.3; RoomOS 10.19.2.2; RoomOS 11.1.3.1; RoomOS 10.11.6.0; RoomOS 10.19.3.0; RoomOS 10.19.4.2; RoomOS 10.3.2.4; RoomOS 10.3.4.0; RoomOS 10.15.3.0; RoomOS 11.1.4.1; RoomOS 11.14.2.3; RoomOS 11.1.2.4; RoomOS 10.8.3.1; RoomOS 11.14.2.1; RoomOS 10.3.3.0; RoomOS 10.8.4.0; RoomOS 10.15.4.1; RoomOS 10.19.5.6; RoomOS 10.11.4.1; RoomOS 11.9.3.1; RoomOS 11.5.3.3; RoomOS 10.3.2.0; RoomOS 11.9.2.4; RoomOS 11.14.3.0; RoomOS 11.17.2.2; RoomOS 11.14.4.0; RoomOS 10.19 StepUpg; RoomOS 11.17.3.0; RoomOS 11.20.2.3; RoomOS 11.14.5.0; RoomOS 11.17.4.0; RoomOS 11.20.3.0; RoomOS 11.23.1.6; RoomOS 11.23.1.8; RoomOS 11.24.1.5; RoomOS 11.24.2.4; RoomOS 11.24.3.0; RoomOS 11.24.4.1; RoomOS 11.27.2.0; RoomOS 11.28.1.3; RoomOS 11.27.3.0; RoomOS 11.31.1.5; RoomOS 11.27.4.0; RoomOS 11.32.2.1; RoomOS 11.33.1.7; RoomOS 26.0.1.2; RoomOS 11.34.1.2; RoomOS 11.32.3.0; RoomOS 11.27.5.0; RoomOS 11.32.4.0; RoomOS 26.1.1.5; RoomOS 11.35.1.2; RoomOS 26.2.2.2; RoomOS 11.32.5.1; RoomOS 26.4.1.6; RoomOS 26.4.1.4; RoomOS 26.3.1.3; RoomOS 11.36.1.1; RoomOS 11.37.1.0; RoomOS 26.5.2.0; RoomOS 26.5.2.2; RoomOS 26.6.1.4; RoomOS 11.38.1.1; RoomOS 11.32.6.0; RoomOS 11.39.1.1

References

Timeline

Published
Last Modified
Status
Awaiting Analysis

Frequently Asked Questions

What is CVE-2026-20302?
A vulnerability in the USB driver of Cisco RoomOS could allow an unauthenticated, local attacker with physical access to the USB port on an affected device to execute arbitrary code with root privileges. This vulnerability is due to insufficient boundary checks for specific data that is provided through the USB driver. An attacker could exploit this vulnerability by connecting a malicious USB device to an affected device. A successful exploit could allow the attacker to cause a buffer overflow condition on the affected system and execute arbitrary code with root privileges.
How severe is CVE-2026-20302?
CVE-2026-20302 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.18% probability of exploitation in the next 30 days.
How do I fix CVE-2026-20302?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

How Strix Helps

Related CVEs from 2026

View all 2026CVEs →

Are you affected by CVE-2026-20302?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST