Cyber Resilience

CVE-2021-21100

High

Published: 15 April 2021

Published
15 April 2021
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS Score 0.0096 76.9th percentile
Risk Priority 16 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-21100 is a high-severity Creation of Temporary File in Directory with Insecure Permissions (CWE-379) vulnerability in Adobe Digital Editions. Its CVSS base score is 7.8 (High).

Operationally, ranked in the top 23.1% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Adobe Digital Editions version 4.5.11.187245 (and earlier) is affected by a Privilege Escalation vulnerability during installation. An unauthenticated attacker could leverage this vulnerability to achieve arbitrary file system write in the context of the current user. Exploitation of this issue…

more

requires user interaction in that a victim must open a malicious file.

CWE(s)

Related Threats

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

Affected Assets

adobe
digital editions
≤ 4.5.11.187245

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References