CVE-2021-28546

Acrobat Reader DC Missing Support for Integrity Check

Description

Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and 2017.011.30188 (and earlier) are missing support for an integrity check. An unauthenticated attacker could leverage this vulnerability to modify content in a certified PDF without invalidating the certification. Exploitation of this issue requires user interaction in that a victim must open the tampered file.

Category

6.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.40%
Vendor Advisory adobe.com
Affected: Adobe Acrobat Reader
Published at:
Updated at:

References

Link Tags
https://helpx.adobe.com/security/products/acrobat/apsb21-09.html vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-28546?
CVE-2021-28546 has been scored as a medium severity vulnerability.
How to fix CVE-2021-28546?
To fix CVE-2021-28546, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-28546 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-28546 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-28546?
CVE-2021-28546 affects Adobe Acrobat Reader.
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