8.8
CVE-2026-20040
- EPSS 0.17%
- Veröffentlicht 11.03.2026 16:31:14
- Zuletzt bearbeitet 01.07.2026 16:24:49
- Quelle psirt@cisco.com
- CVE-Watchlists
- Unerledigt
LoginCisco IOS XR Software CLI Privilege Escalation Vulnerability
A vulnerability in the CLI of Cisco IOS XR Software could allow an authenticated, local attacker to execute arbitrary commands as root on the underlying operating system of an affected device. This vulnerability is due to insufficient validation of user arguments that are passed to specific CLI commands. An attacker with a low-privileged account could exploit this vulnerability by using crafted commands at the prompt. A successful exploit could allow the attacker to elevate privileges to root and execute arbitrary commands on the underlying operating system.
| Typ | Quelle | Score | Percentile |
|---|---|---|---|
| EPSS | FIRST.org | 0.17% | 0.067 |
| Quelle | Base Score | Exploit Score | Impact Score | Vector String |
|---|---|---|---|---|
| psirt@cisco.com | 8.8 | 2 | 6 |
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
|
CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.
Für Zugriff zu Vulnerability Intelligence ist ein VulnDex Zugang erforderlich.
Für Zugriff zu Vulnerability Intelligence ist ein VulnDex Zugang erforderlich.
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxr-privesc-bF8D5U4W