Vulnerability identifier: #VU51357

Vulnerability risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-21085

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Adobe Connect
Client/Desktop applications / Other client software

Vendor: Adobe

Description

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

The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can send a specially crafted request to he application and execute arbitrary code on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Adobe Connect: 8.0 - 11.0.5

---

External links
http://helpx.adobe.com/security/products/connect/apsb21-19.html

---

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.