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Vulnerability record · CVE-2021-1800 · published 2 April 2021

CVE-2021-1800: Apple xcode vulnerability

Apple · Xcode

A path handling issue was addressed with improved validation. This issue is fixed in Xcode 12.4. A malicious application may be able to access arbitrary files on the host device while running an app that uses on-demand resources with Xcode.

5.5 CVSS 3.1 Medium EPSS 0.66% · top 47.6%
5.5CVSS 3.1 base score, v2 4.3
0.66%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

A path handling issue was addressed with improved validation. This issue is fixed in Xcode 12.4. A malicious application may be able to access arbitrary files on the host device while running an app that uses on-demand resources with Xcode.

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://support.apple.com/en-us/HT212153 Vendor Advisory
https://support.apple.com/en-us/HT212153 Vendor Advisory

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Source: NIST National Vulnerability Database (record CVE-2021-1800), CISA KEV, FIRST EPSS (scores of 2026-11-14). This page is refreshed as NVD updates the record.