Path traversal in Adobe Digital Editions - CVE-2021-21100
Published: April 13, 2021
Vulnerability identifier: #VU52185
CSH Severity: High
CVSS v4: 8.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-21100
CWE-ID: CWE-22
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform directory traversal attacks.
The vulnerability exists due to input validation error when processing directory traversal sequences. A remote attacker can trick the victim to open a specially crafted file and overwrite arbitrary files on the system.
Affected software
Adobe Digital Editions
How to mitigate CVE-2021-21100
Install update from vendor's website.
Adobe Digital Editions - update to 4.5.11.187606