PatchTheCVECVE-2020-28447: This affects all versions of package xopen
CVE-2020-28447 is a critical-severity flaw (CVSS 9.8) affecting xopen. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
This affects all versions of package xopen. The injection point is located in line 14 in index.js in the exported function xopen(filepath)
Why this priority
- Critical severity
- Public exploit reference
- Remotely exploitable, no login, no user action
No fix is published yet: follow the downgrade or mitigation steps.
Risk facts
| CVSS score | 9.8 (Critical) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 1.3% (top 29%) |
| CISA exploited list | No |
| Weakness | CWE-77 |
| Published | 2022-07-25 |
| 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-2020-28447?
xopen: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.
Is CVE-2020-28447 being exploited?
CVE-2020-28447 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-2020-28447 affect?
CVE-2020-28447 affects xopen. Severity is critical (CVSS 9.8). This affects all versions of package xopen. The injection point is located in line 14 in index.js in the exported function xopen(filepath)
How urgent is CVE-2020-28447?
Priority 62/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action