CVE-2021-21054
highpriority · track · 38EPSS 0.040 · 90 %ileEURUUSEPSS · scored 2026-10-27
Adobe Illustrator version 25.1 (and earlier) is affected by an Out-of-bounds Write vulnerability when parsing a crafted file. 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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (4)
Products and version ranges known to be affected.
also known as (4)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (6)
External citations — patches, advisories, analysis.
- https://helpx.adobe.com/security/products/illustrator/apsb21-12.htmlcnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2021-21054cnnvd
- https://www.auscert.org.au/bulletins/ESB-2021.0449cnnvd
- https://www.zerodayinitiative.com/advisories/ZDI-21-165/cnnvd
- https://helpx.adobe.com/security/products/illustrator/apsb21-12.htmlenisa_euvd
- https://helpx.adobe.com/security/products/illustrator/apsb21-12.htmlVendor Advisorynvd
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