CVE-2020-4956

Severity: medium (CVSS 4.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-02-15 · updated 2026-06-17
Weakness: CWE-400

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.

Affected products

IBM Spectrum Protect Operations Center: from 7.1.0.000 before 7.1.13.000; from 8.1.0.000 before 8.1.10.200 — fixed in 7.1.13.000, 8.1.10.200

How to fix

Upgrade to a fixed version: IBM Spectrum Protect Operations Center 7.1.13.000, 8.1.10.200. Check the vendor advisory for mitigations.

References

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