CVE-2021-21100

7.8 highEPSS 1.7%

High (7.8) in adobe digital editions. EPSS 1.7% chance of exploitation in the next 30 days.

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

Severity

CVSS 3.1

7.8 high

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS: 1.7% chance of exploitation in the next 30 days; higher than 77% of CVEs (scores of 2026-10-31)
CWE: CWE-379
Published: 2021-04-15
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

adobe:digital_editions

References

https://helpx.adobe.com/security/products/Digital-Editions/apsb21-26.html
https://helpx.adobe.com/security/products/Digital-Editions/apsb21-26.html

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