CVE-2018-20958

MEDIUMNVD 6.56.5—

6.5

The Bluetooth Low Energy (BLE) subsystem on Tapplock devices before 2018-06-12 relies on Key1 and SerialNo for unlock operations; however, these are derived from the MAC address, which is broadcasted by the device.

CVSS v3: 6.5
EG Score: 6.5(medium)
EPSS: 26.4%
KEV: Not listed

Published

August 7, 2019

Last Modified

November 21, 2024

References (4)

cve@mitrehttps://tapplock.com/notice/20180612/
cve@mitrehttps://www.pentestpartners.com/security-blog/totally-pwning-the-tapplock-smart-lock/
af854a3a-2127-422b-91ae-364da2661108https://tapplock.com/notice/20180612/
af854a3a-2127-422b-91ae-364da2661108https://www.pentestpartners.com/security-blog/totally-pwning-the-tapplock-smart-lock/

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-200Exposure of Sensitive Information to an Unauthorized Actor

Data Freshness Timeline

(refreshed 12× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-06 13:45 UTCepss_batch
2026-06-06 13:45 UTCepss_batch
2026-06-05 22:45 UTCepss_batch
2026-06-05 22:45 UTCepss_batch
2026-06-05 06:08 UTCepss_batch
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2026-06-04 13:10 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
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2026-05-29 13:41 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-27 16:14 UTCEG score recompute
2026-05-27 16:14 UTCGHSA enrichment
2026-05-27 13:38 UTCepss_batch

Frequently asked(5)

What is CVE-2018-20958?

CVE-2018-20958 is a medium vulnerability published on August 7, 2019. The Bluetooth Low Energy (BLE) subsystem on Tapplock devices before 2018-06-12 relies on Key1 and SerialNo for unlock operations; however, these are derived from the MAC address, which is broadcasted by the device.

When was CVE-2018-20958 disclosed?

CVE-2018-20958 was first published in the National Vulnerability Database on August 7, 2019, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2018-20958 actively exploited?

CVE-2018-20958 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 26.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2018-20958?

CVE-2018-20958 has a CVSS v3 base score of 6.5 (NVD).

How do I remediate CVE-2018-20958?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2018-20958, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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CVE-2018-20958

📅 Published

🔄 Last Modified

🔗 References (4)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2018-20958?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (4)

Frequently asked(5)

Related CVEs(same CWE)