CVE-2018-20027
The yaml_parse.load method in Pylearn2 allows code injection.
The yaml_parse.load method in Pylearn2 allows code injection.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
The yaml_parse.load method in Pylearn2 allows code injection.
- Record
CVE-2018-20027- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-94
- Updated
- 2026-11-02
CVE List No score
The yaml_parse.load method in Pylearn2 allows code injection.
- Record
CVE-2018-20027- Updated
- 2026-11-02
EUVDEUVD-2018-12605 No score
The yaml_parse.load method in Pylearn2 allows code injection.
- Record
EUVD-2018-12605- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-hg4w-45rw-r7w7
The yaml_parse.load method in Pylearn2 allows code injection.
The yaml_parse.load method in Pylearn2 allows code injection.
- Record
GHSA-hg4w-45rw-r7w7- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-94
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2018-20027 is a critical vulnerability (CVSS 9.8) in Lisa-lab Pylearn2, published December 17, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.82%, the 78th percentile. No source names a fixed version.