What is the CVSS score of CVE-2019-19999?

CVE-2019-19999 has a CVSS 3.1 base score of 7.2 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 1.5%.

Is there a public PoC exploit available for CVE-2019-19999?

Yes, a public proof-of-concept exploit is available for CVE-2019-19999. Prioritise patching immediately. EPSS: 1.5%.

Is there a patch available for CVE-2019-19999?

Yes, a patch is available for CVE-2019-19999. Update the affected software to the latest version immediately.

Halo CVE-2019-19999

HIGH

Server-Side Request Forgery (SSRF) (CWE-918)

2019-12-26 cve@mitre.org

SSRF Halo

7.2

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.2 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Dec 26, 2019 - 04:15 nvd

HIGH 7.2

DescriptionNVD

Halo before 1.2.0-beta.1 allows Server Side Template Injection (SSTI) because TemplateClassResolver.SAFER_RESOLVER is not used in the FreeMarker configuration.

AnalysisAI

Halo before 1.2.0-beta.1 allows Server Side Template Injection (SSTI) because TemplateClassResolver.SAFER_RESOLVER is not used in the FreeMarker configuration. Rated high severity (CVSS 7.2), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available.

Technical ContextAI

This vulnerability is classified as Server-Side Request Forgery (SSRF) (CWE-918), which allows attackers to make the server perform requests to unintended internal or external resources. Halo before 1.2.0-beta.1 allows Server Side Template Injection (SSTI) because TemplateClassResolver.SAFER_RESOLVER is not used in the FreeMarker configuration. Affected products include: Halo. Version information: before 1.2.0.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Validate and allowlist destination URLs, block requests to internal networks, use network segmentation.