A vulnerability in the web-based management interface of Cisco Prime Infrastructure could allow an authenticated, remote attacker to execute arbitrary commands on the underlying operating system. This vulnerability is due to improper processing of serialized Java objects by the affected application. An attacker could exploit this vulnerability by uploading a document containing malicious serialized Java objects to be processed by the affected application. A successful exploit could allow the attacker to cause the application to execute arbitrary commands.
Conclusion & alert: CVE-2023-20258 is rated Moderate Risk (43.4/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.69%). 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 | 0.05% | 0.69% | +0.65% |
| 2 | 2025-11-21 | 0.16% | 0.05% | -0.11% |
| 3 | 2025-11-18 | — | 0.16% | — |
Full EPSS history (9 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] |
| 7.2 | 3.1 | HIGH |
|
1.2 | 5.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| cisco | evolved_programmable_network_manager | < 7.1.1 | cpe:2.3:a:cisco:evolved_programmable_network_manager:*:*:*:*:*:*:*:* |
| cisco | prime_infrastructure | < 3.10.4 | cpe:2.3:a:cisco:prime_infrastructure:*:*:*:*:*:*:*:* |
| cisco | prime_infrastructure | 3.10.4 | cpe:2.3:a:cisco:prime_infrastructure:3.10.4:-:*:*:*:*:*:* |
| cisco | prime_infrastructure | 3.10.4 | cpe:2.3:a:cisco:prime_infrastructure:3.10.4:update_1:*:*:*:*:*:* |