In Cassia Gateway firmware XC1000_2.1.1.2303082218 and XC2000_2.1.1.2303090947, the queueUrl parameter in /bypass/config is not sanitized. This leads to injecting Bash code and executing it with root privileges on device startup.
Conclusion & alert: CVE-2023-31446 is rated High Exploit Risk (88.1/100): CVSS Critical severity, with high exploitation likelihood (EPSS 91.68%, 100th percentile). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). 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 ↗ |
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 | 2026-05-03 | 92.67% | 91.68% | -0.99% |
| 2 | 2026-03-04 | 92.86% | 92.67% | -0.18% |
| 3 | 2026-03-01 | — | 92.86% | — |
Full EPSS history (51 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.8 | 3.1 | CRITICAL |
|
3.9 | 5.9 | [email protected] |
| 9.8 | 3.1 | CRITICAL |
|
3.9 | 5.9 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| cassianetworks | xc1000_firmware | 2.1.1.2303082218 | cpe:2.3:o:cassianetworks:xc1000_firmware:2.1.1.2303082218:*:*:*:*:*:*:* |
| cassianetworks | xc2000_firmware | 2.1.1.2303090947 | cpe:2.3:o:cassianetworks:xc2000_firmware:2.1.1.2303090947:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://blog.kscsc.online/cves/202331446/md.html | |
| https://github.com/Dodge-MPTC/CVE-2023-31446-Remote-Code-Execution | Exploit Third Party Advisory |
| https://www.cassianetworks.com | Product |