NetMotion Mobility before 11.73 and 12.x before 12.02 allows unauthenticated remote attackers to execute arbitrary code as SYSTEM because of Java deserialization in MvcUtil valueStringToObject.
Conclusion & alert: CVE-2021-26914 is rated High Exploit Risk (87.2/100): CVSS High severity, with high exploitation likelihood (EPSS 77.67%, 100th percentile). Core evidence: 3 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +13.24% over the last day, indicating growing attacker interest. Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ | |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ | |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
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 | 64.44% | 77.67% | +13.24% |
| 2 | 2025-11-21 | 58.92% | 64.44% | +5.52% |
| 3 | 2025-11-18 | — | 58.92% | — |
Full EPSS history (41 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 8.1 | 3.1 | HIGH |
|
2.2 | 5.9 | [email protected] |
| 9.3 | 2.0 | HIGH |
|
8.6 | 10.0 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| netmotionsoftware | netmotion_mobility | < 11.73 | cpe:2.3:a:netmotionsoftware:netmotion_mobility:*:*:*:*:*:*:*:* |
| netmotionsoftware | netmotion_mobility | >= 12.0, < 12.02 | cpe:2.3:a:netmotionsoftware:netmotion_mobility:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://packetstormsecurity.com/files/162617/NetMotion-Mobility-Server-MvcUtil-Java-Deserialization.html | Exploit Third Party Advisory VDB Entry |
| https://ssd-disclosure.com/?p=4676 | Exploit Third Party Advisory |
| https://ssd-disclosure.com/ssd-advisory-netmotion-mobility-server-multiple-deserialization-of-untrusted-data-lead-to-rce/ | Exploit Third Party Advisory |
| https://www.netmotionsoftware.com/security-advisories/security-vulnerability-in-mobility-web-server-november-19-2020 | Vendor Advisory |