8.8
HIGH
CVE-2024-20398
Cisco IOS XR Software CLI Insufficient Argument Validation Local Privilege Escalation
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.

INFO

Published Date :

Sept. 11, 2024, 5:15 p.m.

Last Modified :

Oct. 3, 2024, 1:47 a.m.

Remotely Exploitable :

No

Impact Score :

6.0

Exploitability Score :

2.0
Affected Products

The following products are affected by CVE-2024-20398 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Cisco ios_xr
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2024-20398.

URL Resource
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxr-priv-esc-CrG5vhCq Vendor Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2024-20398 vulnerability anywhere in the article.

  • Cybersecurity News
SAP Patches Critical BusinessObjects Vulnerability with October Security Updates

SAP has released its monthly security patch updates, addressing several vulnerabilities across its product portfolio. The October Security Patch Day includes six new security notes and six updates to ... Read more

Published Date: Oct 08, 2024 (1 month, 3 weeks ago)
  • Cybersecurity News
Authd Vulnerability (CVE-2024-9313) Allows User Impersonation on Ubuntu Systems

A high-severity vulnerability, CVE-2024-9313 ((CVSS 8.8)), has been discovered in Authd, an authentication daemon used for secure identity and access management in Ubuntu machines. This flaw could all ... Read more

Published Date: Oct 04, 2024 (2 months ago)
  • Cybersecurity News
Cybercriminals Exploit CosmicSting Vulnerability, Hacking Thousands of Adobe Commerce and Magento Stores

Malware in the National Geographic store | Image: SansecIn a significant cybersecurity breach this summer, cybercriminals compromised approximately 5% of all Adobe Commerce and Magento stores, affecti ... Read more

Published Date: Oct 04, 2024 (2 months ago)
  • Cybersecurity News
Hadooken & K4Spreader Malware: 8220 Gang’s Latest Cloud Hijacking Tools

Linux infection routine | Image: Sekoia’s Threat Detection & Research (TDR) teamThe notorious 8220 Gang, a China-based intrusion set first identified in 2018, continues to expand its arsenal with two ... Read more

Published Date: Oct 01, 2024 (2 months ago)
  • Cybersecurity News
Sophisticated Cyber Espionage: Earth Baxia Uses CVE-2024-36401 and Cobalt Strike to Infiltrate APAC

Overview of the attack chain | Image: Trend MicroIn a recent report from Trend Micro, the cyber espionage group Earth Baxia has been identified targeting government organizations in Taiwan and potenti ... Read more

Published Date: Sep 19, 2024 (2 months, 2 weeks ago)
  • Cybersecurity News
Cisco Issues Security Advisories: Critical Vulnerabilities Impact Multiple Products

Cisco Systems has released a series of urgent security advisories, revealing a total of nine vulnerabilities affecting various products, including Cisco IOS XR Software, Crosswork Network Services Orc ... Read more

Published Date: Sep 12, 2024 (2 months, 3 weeks ago)

The following table lists the changes that have been made to the CVE-2024-20398 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • Initial Analysis by [email protected]

    Oct. 03, 2024

    Action Type Old Value New Value
    Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxr-priv-esc-CrG5vhCq No Types Assigned https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxr-priv-esc-CrG5vhCq Vendor Advisory
    Added CWE NIST CWE-78
    Added CPE Configuration OR *cpe:2.3:o:cisco:ios_xr:6.5.1:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xr:6.5.2:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xr:6.5.3:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xr:6.5.15:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xr:6.5.25:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xr:6.5.26:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xr:6.5.28:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xr:6.5.29:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xr:6.5.31:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xr:6.5.32:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xr:6.5.33:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xr:6.5.90:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xr:6.5.92:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xr:6.5.93:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xr:6.6.1:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xr:6.6.2:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xr:6.6.3:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xr:6.6.4:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xr:6.6.11:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xr:6.6.12:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xr:6.6.25:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xr:7.0.0:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xr:7.0.1:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xr:7.0.2:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xr:7.0.11:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xr:7.0.12:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xr:7.0.14:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xr:7.0.90:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xr:7.1.1:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xr:7.1.2:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xr:7.1.3:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xr:7.1.15:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xr:7.1.25:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xr:7.2.0:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xr:7.2.1:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xr:7.2.2:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xr:7.2.12:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xr:7.3.1:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xr:7.3.2:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xr:7.3.3:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xr:7.3.4:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xr:7.3.5:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xr:7.3.6:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xr:7.3.15:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xr:7.3.16:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xr:7.3.27:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xr:7.4.1:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xr:7.4.2:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xr:7.4.15:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xr:7.4.16:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xr:7.5.1:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xr:7.5.2:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xr:7.5.3:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xr:7.5.4:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xr:7.5.5:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xr:7.5.12:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xr:7.5.52:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xr:7.6.1:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xr:7.6.2:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xr:7.6.3:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xr:7.6.15:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xr:7.7.1:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xr:7.7.2:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xr:7.7.21:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xr:7.8.1:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xr:7.8.2:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xr:7.8.12:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xr:7.8.22:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xr:7.9.1:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xr:7.9.2:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xr:7.9.21:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xr:7.10.1:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xr:7.10.2:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xr:7.11.1:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xr:7.11.2:*:*:*:*:*:*:* *cpe:2.3:o:cisco:ios_xr:24.1.1:*:*:*:*:*:*:*
  • CVE Received by [email protected]

    Sep. 11, 2024

    Action Type Old Value New Value
    Added 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.
    Added Reference Cisco Systems, Inc. https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxr-priv-esc-CrG5vhCq [No types assigned]
    Added CWE Cisco Systems, Inc. CWE-78
    Added CVSS V3.1 Cisco Systems, Inc. AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2024-20398 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability