CVE-2021-21046

Acrobat Reader DC Buffer Overflow Vulnerability Could Lead To Arbitrary Code Execution

Description

Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and 2017.011.30188 (and earlier) are affected by an memory corruption vulnerability. An unauthenticated attacker could leverage this vulnerability to cause an application denial-of-service. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

Category

3.3
CVSS
Severity: Low
CVSS 3.0 •
CVSS 2.0 •
EPSS 1.10% Top 25%
Vendor Advisory adobe.com
Affected: Adobe Acrobat Reader
Published at:
Updated at:

References

Frequently Asked Questions

What is the severity of CVE-2021-21046?
CVE-2021-21046 has been scored as a low severity vulnerability.
How to fix CVE-2021-21046?
To fix CVE-2021-21046, 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-2021-21046 being actively exploited in the wild?
It is possible that CVE-2021-21046 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-21046?
CVE-2021-21046 affects Adobe Acrobat Reader.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.