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Vulnerability record · CVE-2020-12859 · published 18 May 2020

CVE-2020-12859: Health covidsafe cleartext storage of sensitive data vulnerability

Health · Covidsafe

Unnecessary fields in the OpenTrace/BlueTrace protocol in COVIDSafe through v1.0.17 allow a remote attacker to identify a device model by observing cleartext payload data. This allows re-identification of devices, especially less common phone models or those in low-density situations.

5.3 CVSS 3.1 Medium EPSS 0.69% · top 49.3% CWE-312 · Cleartext storage of sensitive data
5.3CVSS 3.1 base score, v2 5.0
0.69%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

Unnecessary fields in the OpenTrace/BlueTrace protocol in COVIDSafe through v1.0.17 allow a remote attacker to identify a device model by observing cleartext payload data. This allows re-identification of devices, especially less common phone models or those in low-density situations.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://docs.google.com/document/d/1u5a5ersKBH6eG362atALrzuXo3zuZ70qrGomWVEC27U/edit?usp=sharing Third Party Advisory
https://www.health.gov.au/resources/apps-and-tools/covidsafe-app ProductVendor Advisory
https://docs.google.com/document/d/1u5a5ersKBH6eG362atALrzuXo3zuZ70qrGomWVEC27U/edit?usp=sharing Third Party Advisory
https://www.health.gov.au/resources/apps-and-tools/covidsafe-app ProductVendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2020-12856Alberta abtracetogether vulnerabilityOpenTrace, as used in COVIDSafe through v1.0.17, TraceTogether, ABTraceTogether, and other applications on iOS and Android, allows remote attackers t…EPSS 5.1%7.5CVE-2020-12857Health covidsafe vulnerabilityCaching of GATT characteristic values (TempID) in COVIDSafe v1.0.15 and v1.0.16 allows a remote attacker to long-term re-identify an Android device r…EPSS 1.6%7.5CVE-2020-12858Health covidsafe vulnerabilityNon-reinitialisation of random data in the advertising payload in COVIDSafe v1.0.15 and v1.0.16 allows a remote attacker to re-identify Android devic…EPSS 1.8%6.5CVE-2020-12717Alberta abtracetogether vulnerabilityThe COVIDSafe (Australia) app 1.0 and 1.1 for iOS allows a remote attacker to crash the app, and consequently interfere with COVID-19 contact tracing…EPSS 1.4%5.7CVE-2020-14292Health covidsafe vulnerabilityIn the COVIDSafe application through 1.0.21 for Android, unsafe use of the Bluetooth transport option in the GATT connection allows attackers to tric…EPSS 1.3%5.3CVE-2020-12860Health covidsafe improper privilege management vulnerabilityCOVIDSafe through v1.0.17 allows a remote attacker to access phone name and model information because a BLE device can have four roles and COVIDSafe …EPSS 1.0%5.7CVE-2011-4723D-Link DIR-300 router stores passwords in cleartextThe D-Link DIR-300 router stores passwords in cleartext rather than in a protected form. Anyone who can reach the stored data can read credentials di…KEVEPSS 3.1%analysed

Source: NIST National Vulnerability Database (record CVE-2020-12859), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.