by Kastro
Paper/Archive/CVE-2021-28550

CVE-2021-28550

Adobe Acrobat Reader — Adobe Acrobat Reader use after free vulnerability could lead to arbitrary code execution

KEV · due 17 NovEPSS 52%public exploitSSVC actCVSS 9.6
critical.is priorityof 100
99
CVSS 9.6 (CNA)9.6 / 10 × 3028.8In CISA KEV+3030.0EPSS percentile 98.9.989 × 2019.8Exploit: SSVC active+1010.0SSVC exploitation: active+1010.0
Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
Acrobat Readerunspecified – 2020.001.30020–CNA
Acrobat Readerunspecified – 2021.001.20150–CNA
Acrobat Readerunspecified – 2017.011.30194–CNA
Acrobat Readerunspecified – None–CNA

Scores by source

adobe (CNA)9.6CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
CISA ADPSSVCExploitation: active · Automatable: no · Technical impact: total

References

refhelpx.adobe.com/security/products/acrobat/apsb21-29.htmlrefcisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-28550kevcisa.gov/known-exploited-vulnerabilities-catalog