CVE-2021-28550

high-risk
Published 2021-09-02

Acrobat Reader DC versions versions 2021.001.20150 (and earlier), 2020.001.30020 (and earlier) and 2017.011.30194 (and earlier) are affected by a Use After Free vulnerability. An unauthenticated attacker could leverage this vulnerability to achieve arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

Do I need to act?

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32.1% chance of exploitation in next 30 days
EPSS score — higher than 68% of all CVEs
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CISA KEV: actively exploited in the wild
On the Known Exploited Vulnerabilities catalog — federal agencies must patch
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
8
CVSS 8.8/10 High
NETWORK / LOW complexity

Affected Products (4)

Affected Vendors

Adobe

References (3)

Release Notes https://helpx.adobe.com/security/products/acrobat/apsb21-29.html
Release Notes https://helpx.adobe.com/security/products/acrobat/apsb21-29.html
Third Party Advisory https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-...
63
/ 100
high-risk
Severity 30/34 · Critical
Exploitability 23/34 · High
Exposure 10/34 · Low