Vulnerability Monitor

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CVE-2024-20435


A vulnerability in the CLI of Cisco AsyncOS for Secure Web Appliance could allow an authenticated, local attacker to execute arbitrary commands and elevate privileges to root. This vulnerability is due to insufficient validation of user-supplied input for the CLI. An attacker could exploit this vulnerability by authenticating to the system and executing a crafted command on the affected device. A successful exploit could allow the attacker to execute arbitrary commands on the underlying operating system and elevate privileges to root. To successfully exploit this vulnerability, an attacker would need at least guest credentials.


Security Impact Summary

This vulnerability carries a HIGH severity rating with a CVSS v3.1 score of 8.8, requiring local system access to exploit with relatively low complexity without requiring user interaction requiring only low-level privileges . The vulnerability impacts confidentiality (data exposure), integrity (unauthorized modifications), and availability (service disruption) for affected systems. Impacting 8 products from cisco, from cisco, from cisco and 5 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

Reported in 2024, this vulnerability emerged during an era marked by increased sophistication in supply chain attacks, cloud infrastructure vulnerabilities, and software-as-a-service (SaaS) security challenges. Security practices during this period emphasized zero-trust architectures, container security, and API protection.


Published

2024-07-17T17:15:14.787

Last Modified

2025-08-08T01:55:41.180

Status

Analyzed

Source

[email protected]

Severity

CVSSv3.1: 8.8 (HIGH)

Weaknesses
  • Type: Secondary
    CWE-250

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System cisco asyncos 11.7.0-406 Yes
Operating System cisco asyncos 11.7.0-418 Yes
Operating System cisco asyncos 11.7.1-006 Yes
Operating System cisco asyncos 11.7.1-020 Yes
Operating System cisco asyncos 11.7.1-049 Yes
Operating System cisco asyncos 11.7.2-011 Yes
Operating System cisco asyncos 11.8.0-414 Yes
Operating System cisco asyncos 11.8.1-023 Yes
Operating System cisco asyncos 11.8.3-018 Yes
Operating System cisco asyncos 11.8.3-021 Yes
Operating System cisco asyncos 12.0.1-268 Yes
Operating System cisco asyncos 12.0.3-007 Yes
Operating System cisco asyncos 12.5.1-011 Yes
Operating System cisco asyncos 12.5.2-007 Yes
Operating System cisco asyncos 12.5.4-005 Yes
Operating System cisco asyncos 12.5.5-004 Yes
Operating System cisco asyncos 12.5.6-008 Yes
Operating System cisco asyncos 14.0.2-012 Yes
Operating System cisco asyncos 14.0.3-014 Yes
Operating System cisco asyncos 14.0.4-005 Yes
Operating System cisco asyncos 14.0.5-007 Yes
Operating System cisco asyncos 14.5.0-498 Yes
Operating System cisco asyncos 14.5.1-016 Yes
Operating System cisco asyncos 14.5.2-011 Yes
Operating System cisco asyncos 15.0.0-322 Yes
Operating System cisco asyncos 15.0.0-355 Yes
Operating System cisco asyncos 15.1.0-287 Yes
Application cisco secure_web_appliance_virtual_s1000v - No
Application cisco secure_web_appliance_virtual_s100v - No
Application cisco secure_web_appliance_virtual_s300v - No
Application cisco secure_web_appliance_virtual_s600v - No
Hardware cisco secure_web_appliance_s196 - No
Hardware cisco secure_web_appliance_s396 - No
Hardware cisco secure_web_appliance_s696 - No

References

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For cisco's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.