CVE-2025-20327
Last modified
CVE-2025-20327 is a high-severity vulnerability rated 7.7/10 on the CVSS scale. 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. EPSS estimates a 0.39% chance of exploitation in the next 30 days.
Description
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.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Cisco | Ios | 15.2\(6\)e2 |
| Cisco | Ios | 15.2\(6\)e2a |
| Cisco | Ios | 15.2\(6\)e2b |
| Cisco | Ios | 15.2\(6\)e3 |
| Cisco | Ios | 15.2\(7\)e |
| Cisco | Ios | 15.2\(7\)e0a |
| Cisco | Ios | 15.2\(7\)e0b |
| Cisco | Ios | 15.2\(7\)e0s |
| Cisco | Ios | 15.2\(7\)e1 |
| Cisco | Ios | 15.2\(7\)e1a |
| Cisco | Ios | 15.2\(7\)e2 |
| Cisco | Ios | 15.2\(7\)e2a |
| Cisco | Ios | 15.2\(7\)e3 |
| Cisco | Ios | 15.2\(7\)e3k |
| Cisco | Ios | 15.2\(7\)e4 |
| Cisco | Ios | 15.2\(7\)e5 |
| Cisco | Ios | 15.2\(7\)e6 |
| Cisco | Ios | 15.2\(7\)e7 |
| Cisco | Ios | 15.2\(7\)e8 |
| Cisco | Ios | 15.2\(7\)e9 |
| Cisco | Ios | 15.2\(7\)e10 |
| Cisco | Ios | 15.2\(7a\)e0b |
| Cisco | Ios | 15.2\(7b\)e0b |
| Cisco | Ios | 15.2\(8\)e |
| Cisco | Ios | 15.2\(8\)e1 |
| Cisco | Ios | 15.2\(8\)e2 |
| Cisco | Ios | 15.2\(8\)e3 |
| Cisco | Ios | 15.2\(8\)e4 |
| Cisco | Ios | 15.2\(8\)e5 |
References
Timeline
- Published
- Last Modified
- Status
- Analyzed
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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