How severe is CVE-2020-12859?

CVE-2020-12859 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2020-12859 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-2020-12859?

CVE-2020-12859 affects Health Covidsafe. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-12859?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2020-12859 published?

CVE-2020-12859 was published on 2020-05-18 and last updated on 2026-06-17.

CVE-2020-12859

CVE-2020-12859 is a medium-severity vulnerability in Health Covidsafe 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-312.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v2: 5.0
EPSS exploit prediction: 1% (48th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-312
Affected product: Health Covidsafe
Published: 2020-05-18
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2020-12859?: 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.
How severe is CVE-2020-12859?: CVE-2020-12859 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2020-12859 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-2020-12859?: CVE-2020-12859 affects Health Covidsafe. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-12859?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-12859 published?: CVE-2020-12859 was published on 2020-05-18 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:health:covidsafe:*:*:*:*:*:android:*:*

More vulnerabilities in Health Covidsafe

CVE-2020-12856 — Critical (CVSS 9.8): OpenTrace, as used in COVIDSafe through v1.0.17, TraceTogether, ABTraceTogether, and other applications on iOS and…
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CVE-2020-12857 — High (CVSS 7.5): Caching of GATT characteristic values (TempID) in COVIDSafe v1.0.15 and v1.0.16 allows a remote attacker to long-term…
CVE-2020-12717 — Medium (CVSS 6.5): The COVIDSafe (Australia) app 1.0 and 1.1 for iOS allows a remote attacker to crash the app, and consequently interfere…
CVE-2020-14292 — Medium (CVSS 5.7): In the COVIDSafe application through 1.0.21 for Android, unsafe use of the Bluetooth transport option in the GATT…
CVE-2020-12860 — Medium (CVSS 5.3): COVIDSafe through v1.0.17 allows a remote attacker to access phone name and model information because a BLE device can…

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