PatchTheCVECVE-2020-4066: In Limdu before 0.95, the trainBatch function has a command injection vulnerability
CVE-2020-4066 is a low-severity flaw (CVSS 3.8) affecting limdu. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
In Limdu before 0.95, the trainBatch function has a command injection vulnerability. Clients of the Limdu library are unlikely to be aware of this, so they might unwittingly write code that contains a vulnerability. This has been patched in 0.95.
Why this priority
- No elevated risk signals yet
A fixed release or distro patch exists.
Risk facts
| CVSS score | 3.8 (Low) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | High |
| User interaction | None |
| EPSS exploit chance | 1.6% (top 24%) |
| CISA exploited list | No |
| Weakness | CWE-78 |
| Published | 2020-06-22 |
| 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-2020-4066?
limdu: upgrade to 0.9.5. Exact commands for each OS are on this page.
Is CVE-2020-4066 being exploited?
CVE-2020-4066 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-2020-4066 affect?
CVE-2020-4066 affects limdu. Severity is low (CVSS 3.8). In Limdu before 0.95, the trainBatch function has a command injection vulnerability. Clients of the Limdu library are unlikely to be aware of this, so they might unwittingly write code that contains a vulnerability. This has been patched in
How urgent is CVE-2020-4066?
Priority 32/100. No elevated risk signals yet.