A vulnerability in the web-based management interface of Cisco Small Business 100, 300, and 500 Series Wireless APs could allow an authenticated, remote attacker to perform command injection attacks against an affected device. In order to exploit this vulnerability, the attacker must have valid administrative credentials for the device. This vulnerability is due to insufficient validation of user-supplied input. An attacker could exploit this vulnerability by sending a crafted HTTP request to the web-based management interface of an affected device. A successful exploit could allow the attacker to execute arbitrary code as the root user on the underlying operating system.
Conclusion & alert: CVE-2024-20335 is rated Moderate Risk (47.2/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.00%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.14% | 1.00% | +0.86% |
| 2 | 2025-11-21 | 0.17% | 0.14% | -0.03% |
| 3 | 2025-11-18 | — | 0.17% | — |
Full EPSS history (13 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.5 | 3.1 | MEDIUM |
|
1.2 | 5.2 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| cisco | wap121_firmware | — | cpe:2.3:o:cisco:wap121_firmware:-:*:*:*:*:*:*:* |
| cisco | wap125_firmware | — | cpe:2.3:o:cisco:wap125_firmware:-:*:*:*:*:*:*:* |
| cisco | wap131_firmware | — | cpe:2.3:o:cisco:wap131_firmware:-:*:*:*:*:*:*:* |
| cisco | wap150_firmware | — | cpe:2.3:o:cisco:wap150_firmware:-:*:*:*:*:*:*:* |
| cisco | wap320_firmware | — | cpe:2.3:o:cisco:wap320_firmware:-:*:*:*:*:*:*:* |
| cisco | wap321_firmware | — | cpe:2.3:o:cisco:wap321_firmware:-:*:*:*:*:*:*:* |
| cisco | wap351_firmware | — | cpe:2.3:o:cisco:wap351_firmware:-:*:*:*:*:*:*:* |
| cisco | wap361_firmware | — | cpe:2.3:o:cisco:wap361_firmware:-:*:*:*:*:*:*:* |
| cisco | wap571_firmware | — | cpe:2.3:o:cisco:wap571_firmware:-:*:*:*:*:*:*:* |
| cisco | wap371_firmware | — | cpe:2.3:o:cisco:wap371_firmware:-:*:*:*:*:*:*:* |
| cisco | wap571e_firmware | — | cpe:2.3:o:cisco:wap571e_firmware:-:*:*:*:*:*:*:* |
| cisco | wap581_firmware | — | cpe:2.3:o:cisco:wap581_firmware:-:*:*:*:*:*:*:* |