GCVE Workshop - 22 September 2026 (14:00-18:00), Luxembourg Before The Vulnopticon Conference - Registration

CVE-2020-4925 (GCVE-0-2020-4925)

Vulnerability from cvelistv5 – Published: 2022-03-01 16:45 – Updated: 2024-09-16 17:14
VLAI
Summary
A security vulnerability in the Spectrum Scale 5.0 and 5.1 allows a non-root user to overflow the mmfsd daemon with requests and preventing the daemon to service other requests. IBM X-Force ID: 191599.
Severity
6.2 (Medium)
CVSS:3.0/I:N/C:N/PR:N/AC:L/S:U/A:H/AV:L/UI:N/RC:C/RL:O/E:H
CWE
  • Denial of Service
Assigner
References
Impacted products
Vendor Product Version CPE status
IBM Spectrum Scale Affected: 5.0
Affected: 5.1
guessed Create a notification for this product.
Date Public
2022-02-28 00:00
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T08:14:59.092Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://www.ibm.com/support/pages/node/6560094"
          },
          {
            "name": "ibm-spectrum-cve20204925-dos (191599)",
            "tags": [
              "vdb-entry",
              "x_refsource_XF",
              "x_transferred"
            ],
            "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/191599"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Spectrum Scale",
          "vendor": "IBM",
          "versions": [
            {
              "status": "affected",
              "version": "5.0"
            },
            {
              "status": "affected",
              "version": "5.1"
            }
          ]
        }
      ],
      "datePublic": "2022-02-28T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "A security vulnerability in the Spectrum Scale 5.0 and 5.1 allows a non-root user to overflow the mmfsd daemon with requests and preventing the daemon to service other requests. IBM X-Force ID: 191599."
        }
      ],
      "metrics": [
        {
          "cvssV3_0": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 6.2,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "exploitCodeMaturity": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "remediationLevel": "OFFICIAL_FIX",
            "reportConfidence": "CONFIRMED",
            "scope": "UNCHANGED",
            "temporalScore": 5.9,
            "temporalSeverity": "MEDIUM",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/I:N/C:N/PR:N/AC:L/S:U/A:H/AV:L/UI:N/RC:C/RL:O/E:H",
            "version": "3.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Denial of Service",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2022-03-01T16:45:22.000Z",
        "orgId": "9a959283-ebb5-44b6-b705-dcc2bbced522",
        "shortName": "ibm"
      },
      "references": [
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://www.ibm.com/support/pages/node/6560094"
        },
        {
          "name": "ibm-spectrum-cve20204925-dos (191599)",
          "tags": [
            "vdb-entry",
            "x_refsource_XF"
          ],
          "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/191599"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "psirt@us.ibm.com",
          "DATE_PUBLIC": "2022-02-28T00:00:00",
          "ID": "CVE-2020-4925",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "Spectrum Scale",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "5.0"
                          },
                          {
                            "version_value": "5.1"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "IBM"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "A security vulnerability in the Spectrum Scale 5.0 and 5.1 allows a non-root user to overflow the mmfsd daemon with requests and preventing the daemon to service other requests. IBM X-Force ID: 191599."
            }
          ]
        },
        "impact": {
          "cvssv3": {
            "BM": {
              "A": "H",
              "AC": "L",
              "AV": "L",
              "C": "N",
              "I": "N",
              "PR": "N",
              "S": "U",
              "UI": "N"
            },
            "TM": {
              "E": "H",
              "RC": "C",
              "RL": "O"
            }
          }
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "Denial of Service"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://www.ibm.com/support/pages/node/6560094",
              "refsource": "CONFIRM",
              "title": "IBM Security Bulletin 6560094 (Spectrum Scale)",
              "url": "https://www.ibm.com/support/pages/node/6560094"
            },
            {
              "name": "ibm-spectrum-cve20204925-dos (191599)",
              "refsource": "XF",
              "title": "X-Force Vulnerability Report",
              "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/191599"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "9a959283-ebb5-44b6-b705-dcc2bbced522",
    "assignerShortName": "ibm",
    "cveId": "CVE-2020-4925",
    "datePublished": "2022-03-01T16:45:22.527Z",
    "dateReserved": "2019-12-30T00:00:00.000Z",
    "dateUpdated": "2024-09-16T17:14:46.556Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2020-4925",
      "date": "2026-09-17",
      "epss": "0.00229",
      "percentile": "0.13822"
    },
    "fkie_nvd": {
      "configurations": "[{\"operator\": \"AND\", \"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:ibm:spectrum_scale:5.0.0:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"ED27FEAC-E998-4363-A972-909BA0960793\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:ibm:spectrum_scale:5.1.0:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"150FF54F-5F44-4DE9-9789-FFDA6A5238C8\"}]}, {\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": false, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"703AF700-7A70-47E2-BC3A-7FD03B3CA9C1\"}]}]}]",
      "descriptions": "[{\"lang\": \"en\", \"value\": \"A security vulnerability in the Spectrum Scale 5.0 and 5.1 allows a non-root user to overflow the mmfsd daemon with requests and preventing the daemon to service other requests. IBM X-Force ID: 191599.\"}, {\"lang\": \"es\", \"value\": \"Una vulnerabilidad de seguridad en Spectrum Scale versiones 5.0 y 5.1, permite a un usuario no root desbordar el demonio mmfsd con peticiones e impedir que el demonio atienda otras peticiones. IBM X-Force ID: 191599.\"}]",
      "id": "CVE-2020-4925",
      "lastModified": "2024-11-21T05:33:26.047",
      "metrics": "{\"cvssMetricV31\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\", \"baseScore\": 5.5, \"baseSeverity\": \"MEDIUM\", \"attackVector\": \"LOCAL\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"LOW\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"NONE\", \"availabilityImpact\": \"HIGH\"}, \"exploitabilityScore\": 1.8, \"impactScore\": 3.6}], \"cvssMetricV30\": [{\"source\": \"psirt@us.ibm.com\", \"type\": \"Secondary\", \"cvssData\": {\"version\": \"3.0\", \"vectorString\": \"CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H\", \"baseScore\": 6.2, \"baseSeverity\": \"MEDIUM\", \"attackVector\": \"LOCAL\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"NONE\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"NONE\", \"availabilityImpact\": \"HIGH\"}, \"exploitabilityScore\": 2.5, \"impactScore\": 3.6}], \"cvssMetricV2\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"2.0\", \"vectorString\": \"AV:L/AC:L/Au:N/C:N/I:N/A:P\", \"baseScore\": 2.1, \"accessVector\": \"LOCAL\", \"accessComplexity\": \"LOW\", \"authentication\": \"NONE\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"NONE\", \"availabilityImpact\": \"PARTIAL\"}, \"baseSeverity\": \"LOW\", \"exploitabilityScore\": 3.9, \"impactScore\": 2.9, \"acInsufInfo\": false, \"obtainAllPrivilege\": false, \"obtainUserPrivilege\": false, \"obtainOtherPrivilege\": false, \"userInteractionRequired\": false}]}",
      "published": "2022-03-01T17:15:07.873",
      "references": "[{\"url\": \"https://exchange.xforce.ibmcloud.com/vulnerabilities/191599\", \"source\": \"psirt@us.ibm.com\", \"tags\": [\"VDB Entry\", \"Vendor Advisory\"]}, {\"url\": \"https://www.ibm.com/support/pages/node/6560094\", \"source\": \"psirt@us.ibm.com\", \"tags\": [\"Patch\", \"Vendor Advisory\"]}, {\"url\": \"https://exchange.xforce.ibmcloud.com/vulnerabilities/191599\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"VDB Entry\", \"Vendor Advisory\"]}, {\"url\": \"https://www.ibm.com/support/pages/node/6560094\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Patch\", \"Vendor Advisory\"]}]",
      "sourceIdentifier": "psirt@us.ibm.com",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"NVD-CWE-noinfo\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2020-4925\",\"sourceIdentifier\":\"psirt@us.ibm.com\",\"published\":\"2022-03-01T17:15:07.873\",\"lastModified\":\"2024-11-21T05:33:26.047\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"A security vulnerability in the Spectrum Scale 5.0 and 5.1 allows a non-root user to overflow the mmfsd daemon with requests and preventing the daemon to service other requests. IBM X-Force ID: 191599.\"},{\"lang\":\"es\",\"value\":\"Una vulnerabilidad de seguridad en Spectrum Scale versiones 5.0 y 5.1, permite a un usuario no root desbordar el demonio mmfsd con peticiones e impedir que el demonio atienda otras peticiones. IBM X-Force ID: 191599.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}],\"cvssMetricV30\":[{\"source\":\"psirt@us.ibm.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.0\",\"vectorString\":\"CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":6.2,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":2.5,\"impactScore\":3.6}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:L/AC:L/Au:N/C:N/I:N/A:P\",\"baseScore\":2.1,\"accessVector\":\"LOCAL\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"LOW\",\"exploitabilityScore\":3.9,\"impactScore\":2.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"NVD-CWE-noinfo\"}]}],\"configurations\":[{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ibm:spectrum_scale:5.0.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"ED27FEAC-E998-4363-A972-909BA0960793\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:ibm:spectrum_scale:5.1.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"150FF54F-5F44-4DE9-9789-FFDA6A5238C8\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"703AF700-7A70-47E2-BC3A-7FD03B3CA9C1\"}]}]}],\"references\":[{\"url\":\"https://exchange.xforce.ibmcloud.com/vulnerabilities/191599\",\"source\":\"psirt@us.ibm.com\",\"tags\":[\"VDB Entry\",\"Vendor Advisory\"]},{\"url\":\"https://www.ibm.com/support/pages/node/6560094\",\"source\":\"psirt@us.ibm.com\",\"tags\":[\"Patch\",\"Vendor Advisory\"]},{\"url\":\"https://exchange.xforce.ibmcloud.com/vulnerabilities/191599\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"VDB Entry\",\"Vendor Advisory\"]},{\"url\":\"https://www.ibm.com/support/pages/node/6560094\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\",\"Vendor Advisory\"]}]}}",
    "redhat_vex": {
      "current_release_date": "2026-02-24T01:35:37+00:00",
      "cve": "CVE-2020-4925",
      "id": "CVE-2020-4925",
      "initial_release_date": "2020-01-01T00:00:00+00:00",
      "product_status:known_not_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "CVE-2020-4925",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2020/cve-2020-4925.json",
      "version": "3"
    }
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.