Cyber Resilience

CVE-2021-21069

High

Published: 12 March 2021

Published
12 March 2021
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3 7.8 CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0116 79.0th percentile
Risk Priority 16 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-21069 is a high-severity Improper Input Validation (CWE-20) vulnerability in Adobe Creative Cloud Desktop Application. Its CVSS base score is 7.8 (High).

Operationally, ranked in the top 21.0% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Adobe Creative Cloud Desktop Application version 5.3 (and earlier) is affected by a local privilege escalation vulnerability that could allow an attacker to call functions against the installer to perform high privileged actions. Exploitation of this issue does not require…

more

user interaction.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

adobe
creative cloud desktop application
≤ 5.3

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-20

Security testing and developer training directly verify and enforce proper input validation, reducing exploitability of injection and malformed-data weaknesses.

addresses: CWE-20

Security testing and evaluation at multiple SDLC stages directly detects missing or flawed input validation, with the required remediation process ensuring fixes are applied.

addresses: CWE-20

Directly implements checks on information inputs to reject invalid data before processing.

addresses: CWE-20

Spam protection mechanisms perform filtering and detection on inbound/outbound messages, directly compensating for missing or weak input validation of unsolicited content.

References