Adobe Creative Cloud Installer Arbitrary File Write

published 2021-08-24 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-15302

cvss: 6.1; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.5%; EPSS 0.5% chance of exploitation in 30 days, percentile 42%
public exploits: 0; none known

Adobe Creative Cloud Desktop Application (installer) version 2.4 (and earlier) is affected by an Insecure temporary file creation vulnerability. An attacker could leverage this vulnerability to cause arbitrary file overwriting in the context of the current user. Exploitation of this issue requires physical interaction to the system.

Exploit prediction

0.49% chance of exploitation in the next 30 days, higher than 42% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	6.1	CVSS:3.1/AV:P/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H
NVD	3.1	6.1	CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
NVD	2.0	3.6	AV:L/AC:L/Au:N/C:N/I:P/A:P

Affected products

Adobe Creative Cloud (desktop component)

Classification

Weakness

CWE-379 Creation of Temporary File in Directory with Insecure Permissions
CWE-668 Exposure of Resource to Wrong Sphere

References

helpx.adobe.com /security/products/creative-cloud/apsb21-41.html
vendor-advisory

Sources

CVE List CVE-2021-28633
NVD CVE-2021-28633

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Summary