What’s Vulnerable › Vulnerabilities

CVE-2021-21100: Adobe Digital Editions Arbitrary file system write vulnerability

• Severity: medium (CVSS 6.8 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-04-15 · updated 2026-06-17
• Weakness: CWE-379

Description

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.

Affected products

• Adobe Digital Editions: through 4.5.11.187245

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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