Path Traversal in Apple macOS
CVE-2020-27896
A path handling issue was addressed with improved validation. This issue is fixed in macOS Big Sur 11.0.1. A remote attacker may be able to modify the file system.
Vulnerability class: Path Traversal (Directory Traversal)
EPSS: 0.014 (70.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N.
Affected products
- Apple Macos — versions unspecified
- Apple Mac_os_x — versions 10.14.6, 10.15.7
Weakness classification (CWE)
Public proof-of-concept exploits
References
- product-security@apple.com (x_refsource_MISC, Vendor Advisory)
- product-security@apple.com (x_refsource_CONFIRM, Vendor Advisory)
- product-security@apple.com (mailing-list, x_refsource_FULLDISC, Mailing List, Third Party Advisory)
- product-security@apple.com (mailing-list, x_refsource_FULLDISC, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-27896?
- CVE-2020-27896 is a medium-severity vulnerability in Apple macOS, classified under Path Traversal. CVSS score: 5.5/10. Published 2020-12-08.
- How severe is CVE-2020-27896?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2020-27896 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.