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Fencer Intel
medium 6.1

CVE-2021-21068 json

Adobe Creative Cloud installer arbitrary file overwrite vulnerability

published 5y ago modified 4mo ago also EUVD-2021-8459

cvss
6.1
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.6%
EPSS 0.6% chance of exploitation in 30 days, percentile 49%
public exploits
0
none known

Summary

Adobe Creative Cloud Desktop Application version 5.3 (and earlier) is affected by a file handling vulnerability that could allow an attacker to cause arbitrary file overwriting. Exploitation of this issue requires physical access and user interaction.

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CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
last yr.

Exploit prediction

0.62% chance of exploitation in the next 30 days, higher than 49% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.0 6.1 CVSS:3.0/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:H/UI:R/S:U/C:H/I:H/A:H
NVD 2.0 4.4 AV:L/AC:M/Au:N/C:P/I:P/A:P

Affected products

  • Adobe Creative Cloud (desktop component)

Classification

Weakness
  • CWE-379 Creation of Temporary File in Directory with Insecure Permissions

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.