CVE-2018-16242
CVE-2018-16242 is a medium-severity vulnerability in O.bike Obike-stationless Bike Sharing with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-294.
Key facts
- Severity: Medium (CVSS 3.x base score 5.3)
- CVSS v2: 2.9
- EPSS exploit prediction: 1% (48th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-294
- Affected product: O.bike Obike-stationless Bike Sharing
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is CVE-2018-16242?
- 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.
- How severe is CVE-2018-16242?
- CVE-2018-16242 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over an adjacent network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
- Is CVE-2018-16242 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2018-16242?
- CVE-2018-16242 primarily affects O.bike Obike-stationless Bike Sharing. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2018-16242?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2018-16242 published?
- CVE-2018-16242 was published on 2018-09-14 and last updated on 2026-06-17.
References
Affected products (2)
- cpe:2.3:o:o.bike:smart_locker_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:a:o.bike:obike-stationless_bike_sharing:2.5.4:*:*:*:*:android:*:*
Other CWE-294 (Authentication Bypass by Capture-replay) vulnerabilities
- CVE-2025-49752 — Critical (CVSS 10.0): Azure Bastion Elevation of Privilege Vulnerability
- CVE-2026-11856 — Critical (CVSS 9.8): Successfully using libcurl to do a transfer to a specific HTTP origin (`hostA`) with **Digest** authentication and then…
- CVE-2026-32987 — Critical (CVSS 9.8): OpenClaw before 2026.3.13 allows bootstrap setup codes to be replayed during device pairing verification in…
- CVE-2025-67135 — Critical (CVSS 9.8): Weak Security in the PF-50 1.2 keyfob of PGST PG107 Alarm System 1.25.05.hf allows attackers to compromise access…
- CVE-2025-65552 — Critical (CVSS 9.8): D3D Wi-Fi Home Security System ZX-G12 v2.1.1 is vulnerable to RF replay attacks on the 433 MHz sensor communication…
- CVE-2024-38438 — Critical (CVSS 9.8): D-Link - CWE-294: Authentication Bypass by Capture-replay
Browse all CWE-294 (Authentication Bypass by Capture-replay) vulnerabilities →