What is the CVSS score of CVE-2018-9322?

CVE-2018-9322 has a CVSS 3.0 base score of 7.8 (High). CVSS vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.6%.

Is there a public PoC exploit available for CVE-2018-9322?

Yes, a public proof-of-concept exploit is available for CVE-2018-9322. Prioritise patching immediately. EPSS: 0.6%.

Head Unit Hu Nbt Firmware CVE-2018-9322

HIGH

Protection Mechanism Failure (CWE-693)

2018-05-31 cve@mitre.org

Authentication Bypass Head Unit Hu Nbt Firmware

7.8

CVSS 3.0 · NVD

Severity by source

NVD PRIMARY

7.8 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

May 31, 2018 - 12:29 nvd

HIGH 7.8

DescriptionNVD

The Head Unit HU_NBT (aka Infotainment) component on BMW i Series, BMW X Series, BMW 3 Series, BMW 5 Series, and BMW 7 Series vehicles produced in 2012 through 2018 allows local attacks involving the USB or OBD-II interface. An attacker can bypass the code-signing protection mechanism for firmware updates, and consequently obtain a root shell.

AnalysisAI

The Head Unit HU_NBT (aka Infotainment) component on BMW i Series, BMW X Series, BMW 3 Series, BMW 5 Series, and BMW 7 Series vehicles produced in 2012 through 2018 allows local attacks involving the. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-693. The Head Unit HU_NBT (aka Infotainment) component on BMW i Series, BMW X Series, BMW 3 Series, BMW 5 Series, and BMW 7 Series vehicles produced in 2012 through 2018 allows local attacks involving the USB or OBD-II interface. An attacker can bypass the code-signing protection mechanism for firmware updates, and consequently obtain a root shell. Affected products include: Bmw Head Unit Hu Nbt Firmware. Version information: through 2018.

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.