Critical severity9.8NVD Advisory· Published Aug 26, 2020· Updated Jun 17, 2026

CVE-2020-24653

Description

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

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected packages

Versions sourced from the GitHub Security Advisory.

Package	Affected versions	Patched versions
exponpm	< 9.1.0	9.1.0

Affected products

Expo/secure-storecpe-rescue
Expo/Expo
cpe:2.3:a:expo:expo:*:*:*:*:*:iphone_os:*:*
Range: <=2.16.1
ghsa-coords
pkg:npm/expo
Range: < 9.1.0

Patches

Vulnerability mechanics

References

github.com/expo/expo/pull/9264nvdPatchThird Party AdvisoryWEB
github.com/advisories/GHSA-rwx9-wqj8-vr77ghsaADVISORY
nvd.nist.gov/vuln/detail/CVE-2020-24653ghsaADVISORY
github.com/expo/expo/blob/main/packages/expo-secure-store/CHANGELOG.mdghsaWEB
github.com/expo/expo/commit/1d82bf07fae2c96273e9189997e521359cffc1a9ghsaWEB

News mentions

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cvss	0.637
epss	0.001
exploit	0.000
kev	0.000
patch	-0.070
ransomware	0.000