Vulnerability Monitor

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CVE-2021-1466


A vulnerability in the vDaemon service of Cisco SD-WAN vManage Software could allow an authenticated, local attacker to cause a buffer overflow on an affected system, resulting in a denial of service (DoS) condition. The vulnerability is due to incomplete bounds checks for data that is provided to the vDaemon service of an affected system. An attacker could exploit this vulnerability by sending malicious data to the vDaemon listening service on the affected system. A successful exploit could allow the attacker to cause a buffer overflow condition on the affected system, which could allow the attacker to cause the vDaemon listening service to reload and result in a DoS condition.Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.


Security Impact Summary

This vulnerability carries a MEDIUM severity rating with a CVSS v3.1 score of 5.4, indicating it can be exploited remotely over the network with relatively low complexity without requiring user interaction requiring only low-level privileges . The vulnerability impacts limited integrity, and limited availability for affected systems. Impacting 1 product from cisco 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

2024-11-15T17:15:07.670

Last Modified

2025-08-04T14:37:51.587

Status

Analyzed

Source

[email protected]

Severity

CVSSv3.1: 5.4 (MEDIUM)

Weaknesses
  • Type: Secondary
    CWE-20

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application cisco catalyst_sd-wan_manager 17.2.4 Yes
Application cisco catalyst_sd-wan_manager 17.2.5 Yes
Application cisco catalyst_sd-wan_manager 17.2.6 Yes
Application cisco catalyst_sd-wan_manager 17.2.7 Yes
Application cisco catalyst_sd-wan_manager 17.2.8 Yes
Application cisco catalyst_sd-wan_manager 17.2.9 Yes
Application cisco catalyst_sd-wan_manager 17.2.10 Yes
Application cisco catalyst_sd-wan_manager 18.2.0 Yes
Application cisco catalyst_sd-wan_manager 18.3.0 Yes
Application cisco catalyst_sd-wan_manager 18.3.1 Yes
Application cisco catalyst_sd-wan_manager 18.3.1.1 Yes
Application cisco catalyst_sd-wan_manager 18.3.3 Yes
Application cisco catalyst_sd-wan_manager 18.3.3.1 Yes
Application cisco catalyst_sd-wan_manager 18.3.4 Yes
Application cisco catalyst_sd-wan_manager 18.3.5 Yes
Application cisco catalyst_sd-wan_manager 18.3.6 Yes
Application cisco catalyst_sd-wan_manager 18.3.6.1 Yes
Application cisco catalyst_sd-wan_manager 18.3.7 Yes
Application cisco catalyst_sd-wan_manager 18.3.8 Yes
Application cisco catalyst_sd-wan_manager 18.4.0 Yes
Application cisco catalyst_sd-wan_manager 18.4.0.1 Yes
Application cisco catalyst_sd-wan_manager 18.4.1 Yes
Application cisco catalyst_sd-wan_manager 18.4.3 Yes
Application cisco catalyst_sd-wan_manager 18.4.4 Yes
Application cisco catalyst_sd-wan_manager 18.4.302 Yes
Application cisco catalyst_sd-wan_manager 18.4.303 Yes
Application cisco catalyst_sd-wan_manager 19.0.0 Yes
Application cisco catalyst_sd-wan_manager 19.0.1a Yes
Application cisco catalyst_sd-wan_manager 19.1.0 Yes
Application cisco catalyst_sd-wan_manager 19.2.0 Yes
Application cisco catalyst_sd-wan_manager 19.2.1 Yes
Application cisco catalyst_sd-wan_manager 19.2.2 Yes
Application cisco catalyst_sd-wan_manager 19.2.097 Yes
Application cisco catalyst_sd-wan_manager 19.2.098 Yes
Application cisco catalyst_sd-wan_manager 19.2.099 Yes
Application cisco catalyst_sd-wan_manager 19.3.0 Yes
Application cisco catalyst_sd-wan_manager 20.1.1 Yes
Application cisco catalyst_sd-wan_manager 20.1.1.1 Yes

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.