CVE-2021-20451
Status: AnalyzedHigh (7.2)—
IBM Cognos Controller 10.4.1, 10.4.2, and 11.0.0 is vulnerable to SQL injection. A remote attacker could send specially crafted SQL statements, which could allow the attacker to view, add, modify or delete information in the back-end database. IBM X-Force ID: 196643.
CVSS
- Version: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
- Base score: 7.2
Exploitation probability (EPSS)
- Probability of exploitation in the next 30 days: 0.50%
- Percentile among all scored CVEs: 41
- Score date: 10/6/2026
EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).
Affected technologies (1)
CWEs
- CWE-89
References
Raw JSON (NVD)
Show
{
"id": "CVE-2021-20451",
"cveTags": [],
"metrics": {
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2021-20451",
"role": "CISA Coordinator",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"version": "2.0.3",
"timestamp": "2024-05-10T20:41:06.165901Z"
}
}
],
"cvssMetricV31": [
{
"type": "Secondary",
"source": "psirt@us.ibm.com",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 6,
"attackVector": "NETWORK",
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:L/A:L",
"integrityImpact": "LOW",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "LOW",
"privilegesRequired": "HIGH",
"confidentialityImpact": "HIGH"
},
"impactScore": 4.7,
"exploitabilityScore": 1.2
},
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 7.2,
"attackVector": "NETWORK",
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
"integrityImpact": "HIGH",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "HIGH",
"privilegesRequired": "HIGH",
"confidentialityImpact": "HIGH"
},
"impactScore": 5.9,
"exploitabilityScore": 1.2
}
]
},
"affected": [
{
"source": "psirt@us.ibm.com",
"affectedData": [
{
"vendor": "IBM",
"product": "Cognos Controller",
"versions": [
{
"status": "affected",
"version": "10.4.1, 10.4.2, 11.0.0"
}
],
"defaultStatus": "unaffected"
}
]
},
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"affectedData": [
{
"cpes": [
"cpe:2.3:a:ibm:cognos_controller:10.4.1:*:*:*:*:*:*:*"
],
"vendor": "ibm",
"product": "cognos_controller",
"versions": [
{
"status": "affected",
"version": "10.4.1"
}
],
"defaultStatus": "unknown"
},
{
"cpes": [
"cpe:2.3:a:ibm:cognos_controller:10.4.2:*:*:*:*:*:*:*"
],
"vendor": "ibm",
"product": "cognos_controller",
"versions": [
{
"status": "affected",
"version": "10.4.2"
}
],
"defaultStatus": "unknown"
},
{
"cpes": [
"cpe:2.3:a:ibm:cognos_controller:11.0.0:*:*:*:*:*:*:*"
],
"vendor": "ibm",
"product": "cognos_controller",
"versions": [
{
"status": "affected",
"version": "11.0.0"
}
],
"defaultStatus": "unknown"
}
]
}
],
"published": "2024-05-03T19:15:07.063",
"references": [
{
"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/196643",
"tags": [
"Vendor Advisory"
],
"source": "psirt@us.ibm.com"
},
{
"url": "https://www.ibm.com/support/pages/node/7149876",
"tags": [
"Vendor Advisory"
],
"source": "psirt@us.ibm.com"
},
{
"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/196643",
"tags": [
"Vendor Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://www.ibm.com/support/pages/node/7149876",
"tags": [
"Vendor Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Analyzed",
"weaknesses": [
{
"type": "Secondary",
"source": "psirt@us.ibm.com",
"description": [
{
"lang": "en",
"value": "CWE-89"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "IBM Cognos Controller 10.4.1, 10.4.2, and 11.0.0 is vulnerable to SQL injection. A remote attacker could send specially crafted SQL statements, which could allow the attacker to view, add, modify or delete information in the back-end database. IBM X-Force ID: 196643."
},
{
"lang": "es",
"value": "IBM Cognos Controller 10.4.1, 10.4.2 y 11.0.0 es vulnerable a la inyección SQL. Un atacante remoto podría enviar declaraciones SQL especialmente diseñadas, que podrían permitirle ver, agregar, modificar o eliminar información en la base de datos back-end. ID de IBM X-Force: 196643."
}
],
"lastModified": "2026-06-17T03:33:52.533",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:ibm:cognos_controller:10.4.1:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "04E5A9C3-0F44-40C1-B6B6-92839E386F56"
},
{
"criteria": "cpe:2.3:a:ibm:cognos_controller:10.4.2:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "7AA07D9A-71F7-446A-8A8E-DD8C357666F0"
},
{
"criteria": "cpe:2.3:a:ibm:cognos_controller:11.0.0:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "4BB85020-BF02-4C91-B494-93FB19185006"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "psirt@us.ibm.com"
}