PatchTheCVECVE-2020-6955: An issue was discovered on Cayin SMP-PRO4 devices
CVE-2020-6955 is a medium-severity flaw (CVSS 6.1) affecting smp-pro4 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
An issue was discovered on Cayin SMP-PRO4 devices. They allow image_preview.html?filename= reflected XSS.
Why this priority
- Public exploit reference
No fix is published yet: follow the downgrade or mitigation steps.
Risk facts
| CVSS score | 6.1 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | Required |
| EPSS exploit chance | 0.7% (top 47%) |
| CISA exploited list | No |
| Weakness | CWE-79 |
| Published | 2020-01-13 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2020-6955?
smp-pro4 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.
Is CVE-2020-6955 being exploited?
CVE-2020-6955 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2020-6955 affect?
CVE-2020-6955 affects smp-pro4 firmware. Severity is medium (CVSS 6.1). An issue was discovered on Cayin SMP-PRO4 devices. They allow image_preview.html?filename= reflected XSS.
How urgent is CVE-2020-6955?
Priority 40/100. Public exploit reference
Related CVEs
- CVE-2020-6954 MEDIUM 6.5 MITIGATE An issue was discovered on Cayin SMP-PRO4 devices