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CVE-2020-15858

6.2 · MEDIUM

Some devices of Thales DIS (formerly Gemalto, formerly Cinterion) allow Directory Traversal by physically proximate attackers.

Published Aug 21, 2020CWE-22EPSS 0.79%

Overview

CVE-2020-15858 is a medium-severity vulnerability. It was published on August 21, 2020 and has a CVSS 3.1 base score of 6.2 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 6.2, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

Some devices of Thales DIS (formerly Gemalto, formerly Cinterion) allow Directory Traversal by physically proximate attackers. The directory path access check of the internal flash file system can be circumvented. This flash file system can store application-specific data and data needed for customer Java applications, TLS and OTAP (Java over-the-air-provisioning) functionality. The affected products and releases are: BGS5 up to and including SW RN 02.000 / ARN 01.001.06 EHSx and PDSx up to and including SW RN 04.003 / ARN 01.000.04 ELS61 up to and including SW RN 02.002 / ARN 01.000.04 ELS81 up to and including SW RN 05.002 / ARN 01.000.04 PLS62 up to and including SW RN 02.000 / ARN 01.000.04

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refpacketstormsecurity.com/files/171978/Telit-Cinterion-IoT-Traversal-Escalation-Bypass-Heap-Overflow.htmlRefseclists.org/fulldisclosure/2023/Apr/11Refwww.thalesgroup.com/en/markets/digital-identity-and-security/iot/resources/security-updates-cinterion-iot-modulesRefpacketstormsecurity.com/files/171978/Telit-Cinterion-IoT-Traversal-Escalation-Bypass-Heap-Overflow.htmlRefseclists.org/fulldisclosure/2023/Apr/11Refwww.thalesgroup.com/en/markets/digital-identity-and-security/iot/resources/security-updates-cinterion-iot-modules

How CyberStrike helps

Frequently asked questions

What is CVE-2020-15858?

CVE-2020-15858 is a medium-severity vulnerability. It was published on August 21, 2020 and has a CVSS 3.1 base score of 6.2 (MEDIUM).

How severe is CVE-2020-15858?

This vulnerability has a CVSS 3.1 base score of 6.2, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2020-15858?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2020-15858?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2020-15858 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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