What is the CVSS score of CVE-2018-20540?

CVE-2018-20540 has a CVSS 3.0 base score of 6.5 (Medium). CVSS vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H. EPSS exploitation probability: 1.5%.

Is there a public PoC exploit available for CVE-2018-20540?

Yes, a public proof-of-concept exploit is available for CVE-2018-20540. Prioritise patching immediately. EPSS: 1.5%.

Liblas CVE-2018-20540

MEDIUM

Missing Release of Resource after Effective Lifetime (CWE-772)

2018-12-28 cve@mitre.org

Information Disclosure Liblas

6.5

CVSS 3.0 · NVD

Severity by source

NVD PRIMARY

6.5 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

CVE Published

Dec 28, 2018 - 16:29 nvd

MEDIUM 6.5

DescriptionNVD

There is memory leak at liblas::Open (liblas/liblas.hpp) in libLAS 1.8.1.

AnalysisAI

There is memory leak at liblas::Open (liblas/liblas.hpp) in libLAS 1.8.1. Rated medium severity (CVSS 6.5), 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-772. There is memory leak at liblas::Open (liblas/liblas.hpp) in libLAS 1.8.1. Affected products include: Liblas.

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.