cve-2021-20556
Vulnerability from cvelistv5
Published
2024-05-03 17:31
Modified
2024-08-03 17:45
Severity ?
EPSS score ?
0.07%
(0.17619)
Summary
IBM Cognos Controller 10.4.1, 10.4.2, and 11.0.0 could allow a remote user to enumerate usernames due to differentiating error messages on existing usernames. IBM X-Force ID: 199181.
References
Impacted products
Vendor | Product | Version | ||
---|---|---|---|---|
IBM | Cognos Controller |
Version: 10.4.1, 10.4.2, 11.0.0 |
{ containers: { adp: [ { affected: [ { cpes: [ "cpe:2.3:a:ibm:cognos_controller:10.4.1:*:*:*:*:*:*:*", ], defaultStatus: "unknown", product: "cognos_controller", vendor: "ibm", versions: [ { status: "affected", version: "10.4.1", }, ], }, { cpes: [ "cpe:2.3:a:ibm:cognos_controller:10.4.2:*:*:*:*:*:*:*", ], defaultStatus: "unknown", product: "cognos_controller", vendor: "ibm", versions: [ { status: "affected", version: "10.4.2", }, ], }, { cpes: [ "cpe:2.3:a:ibm:cognos_controller:11.0.0:*:*:*:*:*:*:*", ], defaultStatus: "unknown", product: "cognos_controller", vendor: "ibm", versions: [ { status: "affected", version: "11.0.0", }, ], }, ], metrics: [ { other: { content: { id: "CVE-2021-20556", options: [ { Exploitation: "none", }, { Automatable: "yes", }, { "Technical Impact": "partial", }, ], role: "CISA Coordinator", timestamp: "2024-05-06T15:50:40.743794Z", version: "2.0.3", }, type: "ssvc", }, }, ], providerMetadata: { dateUpdated: "2024-06-04T17:12:41.944Z", orgId: "134c704f-9b21-4f2e-91b3-4a467353bcc0", shortName: "CISA-ADP", }, title: "CISA ADP Vulnrichment", }, { providerMetadata: { dateUpdated: "2024-08-03T17:45:44.323Z", orgId: "af854a3a-2127-422b-91ae-364da2661108", shortName: "CVE", }, references: [ { tags: [ "vendor-advisory", "x_transferred", ], url: "https://www.ibm.com/support/pages/node/7149876", }, { tags: [ "vdb-entry", "x_transferred", ], url: "https://exchange.xforce.ibmcloud.com/vulnerabilities/199181", }, ], title: "CVE Program Container", }, ], cna: { affected: [ { defaultStatus: "unaffected", product: "Cognos Controller", vendor: "IBM", versions: [ { status: "affected", version: "10.4.1, 10.4.2, 11.0.0", }, ], }, ], descriptions: [ { lang: "en", supportingMedia: [ { base64: false, type: "text/html", value: "IBM Cognos Controller 10.4.1, 10.4.2, and 11.0.0 could allow a remote user to enumerate usernames due to differentiating error messages on existing usernames. IBM X-Force ID: 199181.", }, ], value: "IBM Cognos Controller 10.4.1, 10.4.2, and 11.0.0 could allow a remote user to enumerate usernames due to differentiating error messages on existing usernames. IBM X-Force ID: 199181.", }, ], metrics: [ { cvssV3_1: { attackComplexity: "LOW", attackVector: "NETWORK", availabilityImpact: "NONE", baseScore: 5.3, baseSeverity: "MEDIUM", confidentialityImpact: "LOW", integrityImpact: "NONE", privilegesRequired: "NONE", scope: "UNCHANGED", userInteraction: "NONE", vectorString: "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", version: "3.1", }, format: "CVSS", scenarios: [ { lang: "en", value: "GENERAL", }, ], }, ], problemTypes: [ { descriptions: [ { cweId: "CWE-204", description: "CWE-204 Response Discrepancy Information Exposure", lang: "en", type: "CWE", }, ], }, ], providerMetadata: { dateUpdated: "2024-05-03T17:31:31.243Z", orgId: "9a959283-ebb5-44b6-b705-dcc2bbced522", shortName: "ibm", }, references: [ { tags: [ "vendor-advisory", ], url: "https://www.ibm.com/support/pages/node/7149876", }, { tags: [ "vdb-entry", ], url: "https://exchange.xforce.ibmcloud.com/vulnerabilities/199181", }, ], source: { discovery: "UNKNOWN", }, title: "IBM Cognos Controller information disclosure", x_generator: { engine: "Vulnogram 0.1.0-dev", }, }, }, cveMetadata: { assignerOrgId: "9a959283-ebb5-44b6-b705-dcc2bbced522", assignerShortName: "ibm", cveId: "CVE-2021-20556", datePublished: "2024-05-03T17:31:31.243Z", dateReserved: "2020-12-17T19:17:34.773Z", dateUpdated: "2024-08-03T17:45:44.323Z", state: "PUBLISHED", }, dataType: "CVE_RECORD", dataVersion: "5.1", "vulnerability-lookup:meta": { fkie_nvd: { configurations: "[{\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:ibm:cognos_controller:10.4.1:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"04E5A9C3-0F44-40C1-B6B6-92839E386F56\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:ibm:cognos_controller:10.4.2:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"7AA07D9A-71F7-446A-8A8E-DD8C357666F0\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:ibm:cognos_controller:11.0.0:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"4BB85020-BF02-4C91-B494-93FB19185006\"}]}]}]", descriptions: "[{\"lang\": \"en\", \"value\": \"IBM Cognos Controller 10.4.1, 10.4.2, and 11.0.0 could allow a remote user to enumerate usernames due to differentiating error messages on existing usernames. IBM X-Force ID: 199181.\"}, {\"lang\": \"es\", \"value\": \"IBM Cognos Controller 10.4.1, 10.4.2 y 11.0.0 podr\\u00edan permitir que un usuario remoto enumere nombres de usuarios debido a mensajes de error diferenciadores en nombres de usuarios existentes. ID de IBM X-Force: 199181.\"}]", id: "CVE-2021-20556", lastModified: "2025-01-07T18:20:08.197", metrics: "{\"cvssMetricV31\": [{\"source\": \"psirt@us.ibm.com\", \"type\": \"Secondary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N\", \"baseScore\": 5.3, \"baseSeverity\": \"MEDIUM\", \"attackVector\": \"NETWORK\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"NONE\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"LOW\", \"integrityImpact\": \"NONE\", \"availabilityImpact\": \"NONE\"}, \"exploitabilityScore\": 3.9, \"impactScore\": 1.4}, {\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N\", \"baseScore\": 5.3, \"baseSeverity\": \"MEDIUM\", \"attackVector\": \"NETWORK\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"NONE\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"LOW\", \"integrityImpact\": \"NONE\", \"availabilityImpact\": \"NONE\"}, \"exploitabilityScore\": 3.9, \"impactScore\": 1.4}]}", published: "2024-05-03T18:15:07.907", references: "[{\"url\": \"https://exchange.xforce.ibmcloud.com/vulnerabilities/199181\", \"source\": \"psirt@us.ibm.com\", \"tags\": [\"Vendor Advisory\"]}, {\"url\": \"https://www.ibm.com/support/pages/node/7149876\", \"source\": \"psirt@us.ibm.com\", \"tags\": [\"Vendor Advisory\"]}, {\"url\": \"https://exchange.xforce.ibmcloud.com/vulnerabilities/199181\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Vendor Advisory\"]}, {\"url\": \"https://www.ibm.com/support/pages/node/7149876\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Vendor Advisory\"]}]", sourceIdentifier: "psirt@us.ibm.com", vulnStatus: "Analyzed", weaknesses: "[{\"source\": \"psirt@us.ibm.com\", \"type\": \"Secondary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-204\"}]}, {\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-203\"}]}]", }, nvd: "{\"cve\":{\"id\":\"CVE-2021-20556\",\"sourceIdentifier\":\"psirt@us.ibm.com\",\"published\":\"2024-05-03T18:15:07.907\",\"lastModified\":\"2025-01-07T18:20:08.197\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"IBM Cognos Controller 10.4.1, 10.4.2, and 11.0.0 could allow a remote user to enumerate usernames due to differentiating error messages on existing usernames. 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ID de IBM X-Force: 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Sightings
Author | Source | Type | Date |
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Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.