What is the CVSS score of CVE-2018-16242?

CVE-2018-16242 has a CVSS 3.0 base score of 5.3 (Medium). CVSS vector: CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N. EPSS exploitation probability: 0.7%.

Is there a public PoC exploit available for CVE-2018-16242?

Yes, a public proof-of-concept exploit is available for CVE-2018-16242. Prioritise patching immediately. EPSS: 0.7%.

Smart Locker Firmware CVE-2018-16242

MEDIUM

Authentication Bypass by Capture-replay (CWE-294)

2018-09-14 cve@mitre.org

Authentication Bypass Smart Locker Firmware Obike Stationless Bike Sharing

5.3

CVSS 3.0 · NVD

Severity by source

NVD PRIMARY

5.3 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Adjacent

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

None

Lifecycle Timeline

CVE Published

Sep 14, 2018 - 21:29 nvd

MEDIUM 5.3

DescriptionNVD

AnalysisAI

oBike relies on Hangzhou Luoping Smart Locker to lock bicycles, which allows attackers to bypass the locking mechanism by using Bluetooth Low Energy (BLE) to replay ciphertext based on a predictable. Rated medium severity (CVSS 5.3), this vulnerability is no authentication required. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-294. oBike relies on Hangzhou Luoping Smart Locker to lock bicycles, which allows attackers to bypass the locking mechanism by using Bluetooth Low Energy (BLE) to replay ciphertext based on a predictable nonce used in the locking protocol. Affected products include: O.Bike Smart Locker Firmware, O.Bike Obike-Stationless Bike Sharing.

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.