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01 Record

CVE-2021-28565

Adobe Acrobat Reader out-of-bounds read could lead to information exposure

MediumPUBLISHEDCNA: adobe
CNA base score4.3 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

02 Description

Adobe Acrobat Reader out-of-bounds read could lead to information exposure

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
3.93% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 89.9% of scored records. A rank, not a probability.
NVD base score
8.8 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2021-09-02 16:08Z5 YR AGO
Last updated
2024-09-17 02:27Z2 YR AGO
Reserved
2021-03-16
Assigning CNA
adobe
Record state
PUBLISHED
Severity
Medium (CVSS 4.3)
CNA CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Weaknesses
Data version
5.1
Document digest
ced84a4c9a50be3de7e205822c72e6a1f8d9ed3d897634c61217f6ef82ccfe9c

05 Affected products

VendorProductVersionsPlatforms
AdobeAcrobat Reader<= 2020.001.30020, <= 2021.001.20150, <= 2017.011.30194, <= None—

06 References