#VU50544 NULL pointer dereference in Adobe Acrobat and Adobe Reader - CVE-2021-21057
Published: February 9, 2021
Vulnerability identifier: #VU50544
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-21057
CWE-ID: CWE-476
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Adobe Acrobat
Adobe Reader
Adobe Acrobat
Adobe Reader
Software vendor:
Adobe
Adobe
Description
The vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to a NULL pointer dereference error when processing PDF files. A remote attacker can create a specially crafted PDF file, trick the victim into opening it, trigger a NULL pointer dereference error and gain access to sensitive information.
Remediation
Install updates from vendor's website.