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Fencer Intel
medium 4.8

CVE-2020-4956 json

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 t…

published 5y ago modified 4mo ago also EUVD-2020-26203

cvss
4.8
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 40%
public exploits
0
none known

Summary

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.

Patch / fix

  • ibm spectrum_protect_operations_center 7.1.13.000, 8.1.10.200

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Exploit prediction

0.47% chance of exploitation in the next 30 days, higher than 40% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.0 4.8 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
NVD 3.1 4.8 CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
CNA 3.0 4.8 CVSS:3.0/AV:A/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
NVD 2.0 2.3 AV:A/AC:M/Au:S/C:N/I:N/A:P

Affected products

  • IBM Spectrum Protect Operations Center

Classification

Weakness
  • CWE-400 Uncontrolled Resource Consumption

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.