{"id":"CVE-2020-4956","aliases":["EUVD-2020-26203","GHSA-94wm-8j6r-283r"],"status":"published","title":"IBM Spectrum Protect Operations Center 7.1 and 8.1 is vulnerable to a denial of service, caused...","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.","severity":{"version":"3.0","score":4.8,"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","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00465,"percentile":0.40562,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-400"],"published":"2021-02-15T15:05:21Z","modified":"2026-06-17T03:20:49Z","products":[{"vendor":"ibm","product":"spectrum protect operations center"},{"vendor":"ibm","product":"spectrum_protect_operations_center"}],"references":[{"url":"https://www.ibm.com/support/pages/node/6404966","tags":["x_refsource_CONFIRM","x_transferred","Patch","Vendor Advisory"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/192156","tags":["vdb-entry","x_refsource_XF","x_transferred","VDB Entry","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-4956"},{"url":"https://github.com/advisories/GHSA-94wm-8j6r-283r"}],"sources":{"cve":[{"id":"CVE-2020-4956","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.","status":"published","published":"2021-02-15T15:05:21.174Z","modified":"2024-09-17T00:25:43.022Z","cvss":[{"version":"3.0","score":4.8,"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","level":"medium","assessor":"cna"}],"updated_at":"2026-11-02T14:35:55.797746Z"}],"euvd":[{"id":"EUVD-2020-26203","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.","status":"published","published":"2021-02-15T15:05:21Z","modified":"2024-09-17T00:25:43Z","cvss":[{"version":"3.0","score":4.8,"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","level":"medium"}],"updated_at":"2026-11-03T00:28:59.343375Z"}],"ghsa":[{"id":"GHSA-94wm-8j6r-283r","title":"IBM Spectrum Protect Operations Center 7.1 and 8.1 is vulnerable to a denial of service, caused...","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.","status":"published","published":"2022-05-24T17:42:12Z","modified":"2023-01-29T05:06:31Z","cwes":["CWE-400"],"updated_at":"2026-11-02T14:46:02.943866Z"}],"nvd":[{"id":"CVE-2020-4956","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.","status":"published","published":"2021-02-15T15:15:13.76Z","modified":"2026-06-17T03:20:49.427Z","cvss":[{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"3.0","score":4.8,"vector":"CVSS:3.0/AV:A/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"},{"version":"2.0","score":2.3,"vector":"AV:A/AC:M/Au:S/C:N/I:N/A:P","level":"low","assessor":"primary"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T14:06:34.188486Z"}]}}