Products
Cisco IOS XR Software
Source
ykramarz@cisco.com
Tags
CVE-2024-20398 details
Published : Sept. 11, 2024, 5:15 p.m.
Last Modified : Sept. 11, 2024, 5:15 p.m.
Last Modified : Sept. 11, 2024, 5:15 p.m.
Description
A vulnerability in the CLI of Cisco IOS XR Software could allow an authenticated, local attacker to obtain read/write file system access 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.
CVSS Score
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8.8 | 9 | 10 |
|---|
Weakness
| Weakness | Name | Description |
|---|---|---|
| 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. |
CVSS Data
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Base Score
8.8
Exploitability Score
2.0
Impact Score
6.0
Base Severity
HIGH
Vector String : CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
References
| URL | Source |
|---|---|
| https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxr-priv-esc-CrG5vhCq | ykramarz@cisco.com |
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