What is the CVSS score of CVE-2020-13468?

CVE-2020-13468 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: 0.5%.

Is there a public PoC exploit available for CVE-2020-13468?

Yes, a public proof-of-concept exploit is available for CVE-2020-13468. Prioritise patching immediately. EPSS: 0.5%.

Gd32F130 Firmware CVE-2020-13468

MEDIUM

Incorrect Default Permissions (CWE-276)

2020-08-31 cve@mitre.org

Privilege Escalation Gd32F130 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

Gigadevice GD32F130 devices allow physical attackers to escalate their debug interface permissions via fault injection into inter-IC bonding wires (which have insufficient physical protection).

AnalysisAI

Gigadevice GD32F130 devices allow physical attackers to escalate their debug interface permissions via fault injection into inter-IC bonding wires (which have insufficient physical protection). 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

This vulnerability is classified as Incorrect Default Permissions (CWE-276), which allows attackers to access resources due to overly permissive default settings. Gigadevice GD32F130 devices allow physical attackers to escalate their debug interface permissions via fault injection into inter-IC bonding wires (which have insufficient physical protection). Affected products include: Gigadevice Gd32F130 Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Set restrictive default permissions, follow principle of least privilege, review defaults during deployment.