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

CVE-2021-28550
CRITICAL 9.6CISA KEV ↗Exploited per ENISA since 2021-11-03

At a glance

Source
NVD
EPSS
EPSS 51.85 % · percentile 99 ()
State
PUBLISHED
Published
Updated
Assigner
adobe
NVD status
Analyzed

Description

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.

Weaknesses (CWE)

References

Scores

VersionScoreVectorScored by
CVSS 3.0CRITICAL 9.6CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:Hadobe
CVSS 3.1HIGH 8.8CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HNVD · nvd@nist.gov (Primary)
CVSS 3.0CRITICAL 9.6CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:HNVD · psirt@adobe.com (Secondary)
CVSS 2.0MEDIUM 6.8AV:N/AC:M/Au:N/C:P/I:P/A:PNVD · nvd@nist.gov (Primary)

European references

CERT-FR advisories

Affected configurations (NVD CPE)

Affected products

ProductVersions
Adobe · Acrobat Readeraffected unspecified ≤ 2020.001.30020 ; affected unspecified ≤ 2021.001.20150 ; affected unspecified ≤ 2017.011.30194 ; affected unspecified ≤ None

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
CISA Known Exploited VulnerabilitiesCC0 1.0
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD