Vulnerability identifier: #VU53173

Vulnerability risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-21102

CWE-ID: CWE-552

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Adobe Illustrator
Client/Desktop applications / Office applications

Vendor: Adobe

Description

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to improper input validation when processing Adobe Illustrator files. A remote attacker can create a specially crafted filename with path traversal characters and overwrite arbitrary files on the system.

Successful exploitation of the vulnerability may result in system compromise.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Adobe Illustrator: 25.0 - 25.2.1, 24.0 - 24.3, 23.0 - 23.1, 22.0 - 22.1

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External links
http://helpx.adobe.com/security/products/illustrator/apsb21-24.html

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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.