Vulnerability Monitor

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CVE-2021-1511


Multiple vulnerabilities in Cisco SD-WAN vEdge Software could allow an attacker to execute arbitrary code as the root user or cause a denial of service (DoS) condition on an affected device. For more information about these vulnerabilities, see the Details section of this advisory.


Security Impact Summary

This vulnerability carries a HIGH severity rating with a CVSS v3.1 score of 7.5, indicating it can be exploited remotely over the network but requires specific conditions to be met 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 16 products from cisco, from cisco, from cisco and 13 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

Reported in 2021, 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

2021-05-06T13:15:10.783

Last Modified

2024-11-21T05:44:30.937

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.5 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:S/C:N/I:N/A:C

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: SINGLE
  • Confidentiality Impact: NONE
  • Integrity Impact: NONE
  • Availability Impact: COMPLETE
Exploitability Score

8.0

Impact Score

6.9

Weaknesses
  • Type: Secondary
    CWE-119

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System cisco vedge_100_firmware < 20.4.1 Yes
Operating System cisco vedge_100_firmware < 20.5.1 Yes
Operating System cisco vedge_100_firmware 19.2.99 Yes
Hardware cisco vedge_100 - No
Operating System cisco vedge_1000_firmware < 20.4.1 Yes
Operating System cisco vedge_1000_firmware < 20.5.1 Yes
Operating System cisco vedge_1000_firmware 19.2.99 Yes
Hardware cisco vedge_1000 - No
Operating System cisco vedge_100b_firmware < 20.4.1 Yes
Operating System cisco vedge_100b_firmware < 20.5.1 Yes
Operating System cisco vedge_100b_firmware 19.2.99 Yes
Hardware cisco vedge_100b - No
Operating System cisco vedge_100m_firmware < 20.4.1 Yes
Operating System cisco vedge_100m_firmware < 20.5.1 Yes
Operating System cisco vedge_100m_firmware 19.2.99 Yes
Hardware cisco vedge_100m - No
Operating System cisco vedge_100wm_firmware < 20.4.1 Yes
Operating System cisco vedge_100wm_firmware < 20.5.1 Yes
Operating System cisco vedge_100wm_firmware 19.2.99 Yes
Hardware cisco vedge_100wm - No
Operating System cisco vedge_2000_firmware < 20.4.1 Yes
Operating System cisco vedge_2000_firmware < 20.5.1 Yes
Operating System cisco vedge_2000_firmware 19.2.99 Yes
Hardware cisco vedge_2000 - No
Operating System cisco vedge_5000_firmware < 20.4.1 Yes
Operating System cisco vedge_5000_firmware < 20.5.1 Yes
Operating System cisco vedge_5000_firmware 19.2.99 Yes
Hardware cisco vedge_5000 - No
Operating System cisco vedge_100b_firmware < 20.4.1 Yes
Operating System cisco vedge_100b_firmware < 20.5.1 Yes
Operating System cisco vedge_100b_firmware 19.2.99 Yes
Hardware cisco vedge_100b - No
Operating System cisco vedge_cloud_firmware < 20.4.1 Yes
Operating System cisco vedge_cloud_firmware < 20.5.1 Yes
Operating System cisco vedge_cloud_firmware 19.2.99 Yes
Hardware cisco vedge_cloud - 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.