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01 Record

CVE-2021-21101

Adobe Illustrator TTF font parsing out-of-bounds write vulnerability could lead to remote code execution

HighPUBLISHEDCNA: adobe
CNA base score8.8 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

02 Description

Adobe Illustrator TTF font parsing out-of-bounds write vulnerability could lead to remote code execution

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
3.46% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 89.0% 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
2021-06-28 13:42Z5 YR AGO
Last updated
2024-09-17 01:01Z2 YR AGO
Reserved
2020-12-18
Assigning CNA
adobe
Record state
PUBLISHED
Severity
High (CVSS 8.8)
CNA CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weaknesses
Data version
5.1
Document digest
39f040054cec84642dbe79dd97311e06fb7e429a63f8e71d7d660f466c876734

05 Affected products

VendorProductVersionsPlatforms
AdobeIllustrator<= 25.2, <= None—

06 References