Vulnerability Monitor

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CVE-2025-20327


A vulnerability in the web UI of Cisco IOS Software could allow an authenticated, remote attacker with low privileges to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to improper input validation. An attacker could exploit this vulnerability by sending a crafted URL in an HTTP request. A successful exploit could allow the attacker to cause the affected device to reload, resulting in a DoS condition.


Security Impact Summary

This vulnerability carries a HIGH severity rating with a CVSS v3.1 score of 7.7, 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 and availability (service disruption) for affected systems. Impacting 1 product from cisco organizations running these solutions should prioritize assessment and patching.

Historical Context

Reported in 2025, 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

2025-09-24T18:15:36.537

Last Modified

2026-09-26T00:10:00.127

Status

Analyzed

Source

[email protected]

Severity

CVSSv3.1: 7.7 (HIGH)

Weaknesses
  • Type: Secondary
    CWE-1287

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System cisco ios 15.2\(6\)e2 Yes
Operating System cisco ios 15.2\(6\)e2a Yes
Operating System cisco ios 15.2\(6\)e2b Yes
Operating System cisco ios 15.2\(6\)e3 Yes
Operating System cisco ios 15.2\(7\)e Yes
Operating System cisco ios 15.2\(7\)e0a Yes
Operating System cisco ios 15.2\(7\)e0b Yes
Operating System cisco ios 15.2\(7\)e0s Yes
Operating System cisco ios 15.2\(7\)e1 Yes
Operating System cisco ios 15.2\(7\)e1a Yes
Operating System cisco ios 15.2\(7\)e2 Yes
Operating System cisco ios 15.2\(7\)e2a Yes
Operating System cisco ios 15.2\(7\)e3 Yes
Operating System cisco ios 15.2\(7\)e3k Yes
Operating System cisco ios 15.2\(7\)e4 Yes
Operating System cisco ios 15.2\(7\)e5 Yes
Operating System cisco ios 15.2\(7\)e6 Yes
Operating System cisco ios 15.2\(7\)e7 Yes
Operating System cisco ios 15.2\(7\)e8 Yes
Operating System cisco ios 15.2\(7\)e9 Yes
Operating System cisco ios 15.2\(7\)e10 Yes
Operating System cisco ios 15.2\(7a\)e0b Yes
Operating System cisco ios 15.2\(7b\)e0b Yes
Operating System cisco ios 15.2\(8\)e Yes
Operating System cisco ios 15.2\(8\)e1 Yes
Operating System cisco ios 15.2\(8\)e2 Yes
Operating System cisco ios 15.2\(8\)e3 Yes
Operating System cisco ios 15.2\(8\)e4 Yes
Operating System cisco ios 15.2\(8\)e5 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.