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    CVE-2021-21100

    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.

    Published:Apr 15, 2021
    Last Modified:Apr 23, 2025
    EPS:Apr 15, 2021
    EPSS Score:0.01022
    CVSS Score:7.8

    Affected Products

    Vendor
    Adobe
    Product
    Digital Editions
    Vendor
    Apple
    Product
    Macos

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2023-21582 (CVSS 7.8) — Adobe Digital Editions version 4.5.11.187303 (and earlier) is affected by an out-of-bounds write vulnerability…
    CVE-2021-39828 (CVSS 5.8) — Adobe Digital Editions 4.5.11.187646 (and earlier) are affected by a privilege escalation vulnerability in the…
    CVE-2021-39827 (CVSS 6.5) — Adobe Digital Editions 4.5.11.187646 (and earlier) are affected by an arbitrary file write vulnerability in th…
    CVE-2021-39826 (CVSS 8.6) — Adobe Digital Editions 4.5.11.187646 (and earlier) are affected by an arbitrary command execution vulnerabilit…
    CVE-2020-3798 (CVSS 6.5) — Adobe Digital Editions versions 4.5.11.187212 and below have a file enumeration (host or local network) vulner…
    CVE-2020-3759 (CVSS 7.5) — Adobe Digital Editions versions 4.5.10 and below have a buffer errors vulnerability. Successful exploitation c…
    CVE-2020-3760 (CVSS 9.8) — Adobe Digital Editions versions 4.5.10 and below have a command injection vulnerability. Successful exploitati…
    CVE-2019-7095 (CVSS 9.8) — Adobe Digital Editions versions 4.5.10.185749 and below have a heap overflow vulnerability. Successful exploit…
    CVE-2018-12817 (CVSS 7.5) — Adobe Digital Editions versions 4.5.9 and below have an out of bounds read vulnerability. Successful exploitat…
    CVE-2018-12822 (CVSS 9.8) — Adobe Digital Editions versions 4.5.8 and below have an use after free vulnerability. Successful exploitation …

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High