CVE-2020-24653 json
Expo on iOS is insecure due incorrect security attribute application
published 6y ago modified 4mo ago also GHSA-rwx9-wqj8-vr77 , EUVD-2022-5247
- cvss
- 9.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.2%
- EPSS 1.2% chance of exploitation in 30 days, percentile 67%
- public exploits
- 0
- none known
Summary
secure-store in Expo through 2.16.1 on iOS provides the insecure kSecAttrAccessibleAlwaysThisDeviceOnly policy when WHEN_UNLOCKED_THIS_DEVICE_ONLY is used.
Patch / fix
Is CVE-2020-24653 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerExploit prediction
1.17% chance of exploitation in the next 30 days, higher than 67% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 6.8 | AV:N/AC:M/Au:N/C:P/I:P/A:P |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| npm | expo | <9.1.0 |
9.1.0 |
References
-
github.com
/expo/expo/pull/9264
web, patch, third-party-advisory
-
github.com
/expo/expo/commit/1d82bf07fae2c96273e9189997e521359cffc1a9#diff-5b2820f378da980bd8a8185e2e1b2f9ce085d834534483
web
-
nvd.nist.gov
/vuln/detail/CVE-2020-24653
advisory
-
github.com
/expo/expo
package
-
github.com
/expo/expo/blob/main/packages/expo-secure-store/CHANGELOG.md
web
Sources
- CVE List CVE-2020-24653
- GitHub Advisory GHSA-rwx9-wqj8-vr77
- NVD CVE-2020-24653
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.