CVE-2020-4066
Command Injection in Limdu trainBatch function
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- High
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Command Injection in Limdu trainBatch function
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.
- Record
CVE-2020-4066- CVSS 3.1
- 3.8 Low
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N - Weakness
- CWE-78
- Updated
- 2026-11-02
EUVDEUVD-2020-0470
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.
- Record
EUVD-2020-0470- CVSS 3.1
- 3.8 Low
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-77qv-gh6f-pgh4
Command Injection in Limdu
Impact
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.
Patches
Patched in version 0.9.5.
Workarounds
Do not use trainBatch with classifiers that rely on shell execution, such as SVM Perf, SVM Linear or Adaboost
References
No
- Record
GHSA-77qv-gh6f-pgh4- CVSS 3.1
- 3.8 Low
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N - Weakness
- CWE-78
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2020-4066- CVSS 3.1
- 3.8 Low
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N - CVSS 3.1
- 7.2 High
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 9.0 High
AV:N/AC:L/Au:S/C:C/I:C/A:C - Weakness
- CWE-78
- Updated
- 2026-11-02
OSVGHSA-77qv-gh6f-pgh4
Command Injection in Limdu
Impact
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.
Patches
Patched in version 0.9.5.
Workarounds
Do not use trainBatch with classifiers that rely on shell execution, such as SVM Perf, SVM Linear or Adaboost
References
No
- Record
GHSA-77qv-gh6f-pgh4- CVSS 3.1
- 3.8 Low
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N - Weakness
- CWE-78
- Updated
- 2026-11-02
Affected products
Affected packages
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-4066 is a low vulnerability (CVSS 3.8) in Erelsgl Limdu, published June 22, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.63%, the 76th percentile. Fixed in limdu 0.9.5.