What is the CVSS score of CVE-2018-20027?

CVE-2018-20027 has a CVSS 3.0 base score of 9.8 (Critical). CVSS vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 1.8%.

Is there a public PoC exploit available for CVE-2018-20027?

Yes, a public proof-of-concept exploit is available for CVE-2018-20027. Prioritise patching immediately. EPSS: 1.8%.

Pylearn2 CVE-2018-20027

CRITICAL

Code Injection (CWE-94)

2018-12-17 cve@mitre.org

Code Injection RCE Pylearn2

9.8

CVSS 3.0 · NVD

Severity by source

NVD PRIMARY

9.8 CRITICAL

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Dec 17, 2018 - 15:29 nvd

CRITICAL 9.8

DescriptionNVD

The yaml_parse.load method in Pylearn2 allows code injection.

AnalysisAI

The yaml_parse.load method in Pylearn2 allows code injection. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Code Injection (CWE-94), which allows attackers to inject and execute arbitrary code within the application. The yaml_parse.load method in Pylearn2 allows code injection. Affected products include: Lisa-Lab Pylearn2.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Never evaluate user-controlled input as code. Use sandboxing, disable dangerous functions, apply strict input validation.