What is the CVSS score of CVE-2019-5038?

CVE-2019-5038 has a CVSS 3.1 base score of 8.8 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H. EPSS exploitation probability: 2.7%.

Is there a public PoC exploit available for CVE-2019-5038?

Yes, a public proof-of-concept exploit is available for CVE-2019-5038. Prioritise patching immediately. EPSS: 2.7%.

Openweave Core CVE-2019-5038

HIGH

Stack-based Buffer Overflow (CWE-121)

2019-08-20 talos-cna@cisco.com

Buffer Overflow Stack Overflow RCE Openweave Core

8.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

8.8 HIGH

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Aug 20, 2019 - 21:15 nvd

HIGH 8.8

DescriptionNVD

An exploitable command execution vulnerability exists in the print-tlv command of Weave tool. A specially crafted weave TLV can trigger a stack-based buffer overflow, resulting in code execution. An attacker can trigger this vulnerability by convincing the user to open a specially crafted Weave command.

AnalysisAI

An exploitable command execution vulnerability exists in the print-tlv command of Weave tool. Rated high severity (CVSS 8.8), 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 under CWE-121. An exploitable command execution vulnerability exists in the print-tlv command of Weave tool. A specially crafted weave TLV can trigger a stack-based buffer overflow, resulting in code execution. An attacker can trigger this vulnerability by convincing the user to open a specially crafted Weave command. Affected products include: Openweave Openweave-Core.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.