How severe is CVE-2020-12717?

CVE-2020-12717 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2020-12717 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-12717?

CVE-2020-12717 primarily affects Alberta Abtracetogether. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-12717?

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

When was CVE-2020-12717 published?

CVE-2020-12717 was published on 2020-05-14 and last updated on 2026-06-17.

CVE-2020-12717

CVE-2020-12717 is a medium-severity vulnerability in Alberta Abtracetogether with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 3.3
EPSS exploit prediction: 1% (69th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Alberta Abtracetogether
Published: 2020-05-14
Last modified: 2026-06-17

Description

The 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, via a Bluetooth advertisement containing manufacturer data that is too short. This occurs because of an erroneous OpenTrace manuData.subdata call. The ABTraceTogether (Alberta), ProteGO (Poland), and TraceTogether (Singapore) apps were also affected.

Frequently asked questions

What is CVE-2020-12717?: The 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, via a Bluetooth advertisement containing manufacturer data that is too short. This occurs because of an erroneous OpenTrace manuData.subdata call. The ABTraceTogether (Alberta), ProteGO (Poland), and TraceTogether (Singapore) apps were also affected.
How severe is CVE-2020-12717?: CVE-2020-12717 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2020-12717 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-12717?: CVE-2020-12717 primarily affects Alberta Abtracetogether. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-12717?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-12717 published?: CVE-2020-12717 was published on 2020-05-14 and last updated on 2026-06-17.

References

https://medium.com/%40wabz/covidsafe-ios-vulnerability-cve-2020-12717-30dc003f9708

Affected products (5)

cpe:2.3:a:alberta:abtracetogether:-:*:*:*:*:iphone_os:*:*
cpe:2.3:a:gov:protego_safe:-:*:*:*:*:iphone_os:*:*
cpe:2.3:a:health:covidsafe:1.0:*:*:*:*:iphone_os:*:*
cpe:2.3:a:health:covidsafe:1.1:*:*:*:*:iphone_os:*:*
cpe:2.3:a:tracetogether:tracetogether:-:*:*:*:*:iphone_os:*:*

More vulnerabilities in Alberta Abtracetogether

CVE-2020-12856 — Critical (CVSS 9.8): OpenTrace, as used in COVIDSafe through v1.0.17, TraceTogether, ABTraceTogether, and other applications on iOS and…

All CVEs affecting Alberta Abtracetogether →