Vulnerability identifier: #VU57740

Vulnerability risk: Low

CVSSv3.1: 3.7 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-30887

CWE-ID: CWE-264

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 bypass implemented security restrictions.

The vulnerability exists due an error within the WebKit component. A remote attacker can trick the victim to open a specially crafted website and bypass Content Security Policy restrictions.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

macOS: 12.0 21A344

---

External links
http://support.apple.com/en-us/HT212869

---

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.