An issue existed in the storage of sensitive tokens.

published 2021-12-23 4y ago modified 2026-06-17 4mo ago also EUVD-2017-5424

cvss: 5.5; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 0.2%; EPSS 0.2% chance of exploitation in 30 days, percentile 14%
public exploits: 0; none known

An issue existed in the storage of sensitive tokens. This issue was addressed by placing the tokens in Keychain. This issue is fixed in macOS High Sierra 10.13. A local attacker may gain access to iCloud authentication tokens.

Patch / fix

fixed in 1

Apple macOS 10.13

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Exploit prediction

0.24% chance of exploitation in the next 30 days, higher than 14% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
NVD	3.1	5.5	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
NVD	2.0	2.1	AV:L/AC:L/Au:N/C:P/I:N/A:N

Affected products

Apple macOS

Classification

Weakness

CWE-922 Insecure Storage of Sensitive Information

References

support.apple.com /en-us/HT208144
vendor-advisory

Sources

CVE List CVE-2017-13909
NVD CVE-2017-13909

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