Vulnerability identifier: #VU53279

Vulnerability risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-27896

CWE-ID: CWE-552

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
macOS
Operating systems & Components / Operating system

Vendor: Apple Inc.

Description

The vulnerability allows a remote attacker to modify files on the system.

The vulnerability exists due to improper input validation in Ruby implementation on macOS. A remote attacker can modify files on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

macOS: 10.15 19A583 - 10.15.7 19H15, 10.14 18A391 - 10.14.6 18G6042

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External links
http://support.apple.com/en-us/HT212011

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.