PT-2021-2521 · Adobe · Adobe Creative Cloud Desktop Application

Rookuu · Published 2021-03-09 · Updated 2021-09-08 · CVE-2021-21069

Positive Technologies (AI Summary)

CVSS v2.0

9.3

High

Base vector

AV:N/AC:M/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Adobe Creative Cloud Desktop Application versions 5.3 and earlier

Description The issue is related to insufficient input validation in the Adobe Creative Cloud Desktop Application, which can lead to a local privilege escalation. This allows an attacker to perform high-privileged actions by calling functions against the installer. Notably, exploitation of this issue does not require any user interaction.

Recommendations For Adobe Creative Cloud Desktop Application versions 5.3 and earlier, update to a version later than 5.3 to resolve the issue. As a temporary workaround, consider restricting access to the installer to minimize the risk of exploitation.

Fix

RCE

Weakness Enumeration

CWE-20

Related Identifiers

BDU:2021-01924

CVE-2021-21069

ZDI-21-281

Affected Products

Adobe Creative Cloud Desktop Application

References · 8

• https://zerodayinitiative.com/advisories/ZDI-21-281 · Security Note
• https://osv.dev/vulnerability/CVE-2021-21069 · Vendor Advisory
• https://helpx.adobe.com/security/products/creative-cloud/apsb21-18.html · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-21069 · Security Note
• https://bdu.fstec.ru/vul/2021-01924 · Security Note
• https://t.me/cibsecurity/24872 · Telegram Post
• https://t.me/cvenotify/11274 · Telegram Post
• https://t.me/cvenotify/11545 · Telegram Post