PT-2026-84809 · Cisco · Ios Xr

CVE-2026-20277

·

Published

2026-09-02

·

Updated

2026-09-02

CVSS v3.1

8.2

High

VectorAV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
Name of the Vulnerable Software and Affected Versions Cisco IOS XR Software (affected versions not specified)
Description Protection mechanism failure issues were identified during an internal security review. These issues are categorized under CWE-693, which refers to a failure to protect against a specific attack vector.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Protection Mechanism Failure

Found an issue in the description? Have something to add? Feel free to write us 👾

Weakness Enumeration

Related Identifiers

CVE-2026-20277

Affected Products

Ios Xr