CVE-2018-1901
Status: ModifiedHigh (8.8)—
IBM WebSphere Application Server 8.5 and 9.0 could allow a remote attacker to temporarily gain elevated privileges on the system, caused by incorrect cached value being used. IBM X-Force ID: 152530.
CVSS
- Version: 3.0
- Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Base score: 8.8
Exploitation probability (EPSS)
- Probability of exploitation in the next 30 days: 1.50%
- Percentile among all scored CVEs: 74
- Score date: 10/7/2026
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
- NVD-CWE-noinfo
References
Raw JSON (NVD)
Show
{
"id": "CVE-2018-1901",
"cveTags": [],
"metrics": {
"cvssMetricV2": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"version": "2.0",
"baseScore": 6.5,
"accessVector": "NETWORK",
"vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P",
"authentication": "SINGLE",
"integrityImpact": "PARTIAL",
"accessComplexity": "LOW",
"availabilityImpact": "PARTIAL",
"confidentialityImpact": "PARTIAL"
},
"acInsufInfo": false,
"impactScore": 6.4,
"baseSeverity": "MEDIUM",
"obtainAllPrivilege": false,
"exploitabilityScore": 8,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": false
}
],
"cvssMetricV30": [
{
"type": "Secondary",
"source": "psirt@us.ibm.com",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.0",
"baseScore": 5,
"attackVector": "NETWORK",
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L",
"integrityImpact": "LOW",
"userInteraction": "NONE",
"attackComplexity": "HIGH",
"availabilityImpact": "LOW",
"privilegesRequired": "LOW",
"confidentialityImpact": "LOW"
},
"impactScore": 3.4,
"exploitabilityScore": 1.6
},
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.0",
"baseScore": 8.8,
"attackVector": "NETWORK",
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"integrityImpact": "HIGH",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "HIGH",
"privilegesRequired": "LOW",
"confidentialityImpact": "HIGH"
},
"impactScore": 5.9,
"exploitabilityScore": 2.8
}
]
},
"affected": [
{
"source": "psirt@us.ibm.com",
"affectedData": [
{
"vendor": "IBM",
"product": "WebSphere Application Server",
"versions": [
{
"status": "affected",
"version": "8.5"
},
{
"status": "affected",
"version": "9.0"
},
{
"status": "affected",
"version": "Liberty"
}
]
}
]
}
],
"published": "2018-12-12T16:29:01.263",
"references": [
{
"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/152530",
"tags": [
"VDB Entry",
"Vendor Advisory"
],
"source": "psirt@us.ibm.com"
},
{
"url": "https://www.ibm.com/support/docview.wss?uid=ibm10738727",
"tags": [
"Patch",
"Vendor Advisory"
],
"source": "psirt@us.ibm.com"
},
{
"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/152530",
"tags": [
"VDB Entry",
"Vendor Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://www.ibm.com/support/docview.wss?uid=ibm10738727",
"tags": [
"Patch",
"Vendor Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "NVD-CWE-noinfo"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "IBM WebSphere Application Server 8.5 and 9.0 could allow a remote attacker to temporarily gain elevated privileges on the system, caused by incorrect cached value being used. IBM X-Force ID: 152530."
},
{
"lang": "es",
"value": "IBM WebSphere Application Server 8.5 y 9.0 podría permitir que un atacante remoto obtenga temporalmente privilegios elevados en el sistema, provocado por el uso de un valor cacheado incorrectamente. IBM X-Force ID: 152530."
}
],
"lastModified": "2026-06-17T01:51:59.357",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:ibm:websphere_application_server:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "94F840E8-BAD7-4593-B44D-1D35B8A96018",
"versionEndIncluding": "8.5.5.14",
"versionStartIncluding": "8.5.0.0"
},
{
"criteria": "cpe:2.3:a:ibm:websphere_application_server:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "5B234F8C-5BD4-4588-816C-539D446B0258",
"versionEndIncluding": "9.0.0.9",
"versionStartIncluding": "9.0.0.0"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "psirt@us.ibm.com"
}