CVE-2020-24653

CRITICALNVD 9.89.8—

9.8

secure-store in Expo through 2.16.1 on iOS provides the insecure kSecAttrAccessibleAlwaysThisDeviceOnly policy when WHEN_UNLOCKED_THIS_DEVICE_ONLY is used.

CVSS v3: 9.8
EG Score: 9.8(medium)
EPSS: 63.1%
KEV: Not listed

Published

August 26, 2020

Last Modified

November 21, 2024

References (2)

cve@mitrehttps://github.com/expo/expo/pull/9264
af854a3a-2127-422b-91ae-364da2661108https://github.com/expo/expo/pull/9264

Affected Packages

(1 across 1 ecosystem)

npm(1)

Package	Vulnerable range	Fixed in	Dependents
expo	—	9.1.0	—

Data Freshness Timeline

(refreshed 13× 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.

2026-06-05 06:08 UTCepss_batch
2026-06-05 06:08 UTCepss_batch
2026-06-04 13:10 UTCepss_batch
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 22:29 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-31 00:15 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
2026-05-26 23:54 UTCEG score recompute
2026-05-26 13:42 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:17 UTCepss_batch

Frequently asked(5)

What is CVE-2020-24653?

CVE-2020-24653 is a critical vulnerability published on August 26, 2020. secure-store in Expo through 2.16.1 on iOS provides the insecure kSecAttrAccessibleAlwaysThisDeviceOnly policy when WHENUNLOCKEDTHISDEVICEONLY is used.

When was CVE-2020-24653 disclosed?

CVE-2020-24653 was first published in the National Vulnerability Database on August 26, 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-2020-24653 actively exploited?

CVE-2020-24653 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 63.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2020-24653?

CVE-2020-24653 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2020-24653?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2020-24653, 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.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2020-24653

Explore →

Is Your Infrastructure Affected by CVE-2020-24653?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs

CVE-2020-24653

📅 Published

🔄 Last Modified

🔗 References (2)