What is the CVSS score of CVE-2020-13471?

CVE-2020-13471 has a CVSS 3.1 base score of 6.8 (Medium). CVSS vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.6%.

Is there a public PoC exploit available for CVE-2020-13471?

Yes, a public proof-of-concept exploit is available for CVE-2020-13471. Prioritise patching immediately. EPSS: 0.6%.

Apm32F103 Firmware CVE-2020-13471

MEDIUM

2020-08-31 cve@mitre.org

RCE Apm32F103 Firmware

6.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

6.8 MEDIUM

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

Attack Vector

Physical

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Aug 31, 2020 - 16:15 nvd

MEDIUM 6.8

DescriptionNVD

Apex Microelectronics APM32F103 devices allow physical attackers to execute arbitrary code via a power glitch and a specific flash patch/breakpoint unit configuration.

AnalysisAI

Apex Microelectronics APM32F103 devices allow physical attackers to execute arbitrary code via a power glitch and a specific flash patch/breakpoint unit configuration. Rated medium severity (CVSS 6.8), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

Apex Microelectronics APM32F103 devices allow physical attackers to execute arbitrary code via a power glitch and a specific flash patch/breakpoint unit configuration. Affected products include: Apexmic Apm32F103 Firmware.

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.