CVE-2020-12857

HIGHNVD 7.57.5—

7.5

Caching 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 running COVIDSafe.

CVSS v3: 7.5
EG Score: 7.5(medium)
EPSS: 66.7%
KEV: Not listed

Published

May 18, 2020

Last Modified

November 21, 2024

References (6)

cve@mitrehttps://covidsafe.watch/issue-register/cve-2020-12857-tempid-identifier-was-static
cve@mitrehttps://docs.google.com/document/d/1u5a5ersKBH6eG362atALrzuXo3zuZ70qrGomWVEC27U/edit?usp=sharing
cve@mitrehttps://www.health.gov.au/resources/apps-and-tools/covidsafe-app
af854a3a-2127-422b-91ae-364da2661108https://covidsafe.watch/issue-register/cve-2020-12857-tempid-identifier-was-static
af854a3a-2127-422b-91ae-364da2661108https://docs.google.com/document/d/1u5a5ersKBH6eG362atALrzuXo3zuZ70qrGomWVEC27U/edit?usp=sharing
af854a3a-2127-422b-91ae-364da2661108https://www.health.gov.au/resources/apps-and-tools/covidsafe-app

Weakness Classification(1)

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

CWE-459Incomplete Cleanup

Data Freshness Timeline

(refreshed 11× in last 7d / 17× 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.

2026-06-02 20:11 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-29 13:42 UTCepss_batch
2026-05-29 13:42 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-27 03:32 UTCEG score recompute
2026-05-26 13:42 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch

Frequently asked(5)

What is CVE-2020-12857?

CVE-2020-12857 is a high vulnerability published on May 18, 2020. Caching 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 running COVIDSafe.

When was CVE-2020-12857 disclosed?

CVE-2020-12857 was first published in the National Vulnerability Database on May 18, 2020, 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-2020-12857 actively exploited?

CVE-2020-12857 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 66.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2020-12857?

CVE-2020-12857 has a CVSS v3 base score of 7.5 (NVD).

How do I remediate CVE-2020-12857?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2020-12857, 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-2020-12857

📅 Published

🔄 Last Modified

🔗 References (6)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2020-12857?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (6)

Frequently asked(5)

Related CVEs(same CWE)