PatchTheCVECVE-2020-7730: The package bestzip before 2.1.7 are vulnerable to Command Injection via the options param.
CVE-2020-7730 is a critical-severity flaw (CVSS 9.8) affecting bestzip. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
The package bestzip before 2.1.7 are vulnerable to Command Injection via the options param.
Why this priority
- Critical severity
- Remotely exploitable, no login, no user action
A fixed release or distro patch exists.
Risk facts
| CVSS score | 9.8 (Critical) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 3.1% (top 12%) |
| CISA exploited list | No |
| Weakness | CWE-78 |
| Published | 2020-09-04 |
| 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-2020-7730?
bestzip: upgrade to 2.1.7. Exact commands for each OS are on this page.
Is CVE-2020-7730 being exploited?
CVE-2020-7730 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-2020-7730 affect?
CVE-2020-7730 affects bestzip. Severity is critical (CVSS 9.8). The package bestzip before 2.1.7 are vulnerable to Command Injection via the options param.
How urgent is CVE-2020-7730?
Priority 61/100. Critical severity; Remotely exploitable, no login, no user action