FKIE_CVE-2021-21506
Vulnerability from fkie_nvd - Published: 2021-03-08 22:15 - Updated: 2026-06-17 03:35
Severity
8.8 (High) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
8.8 (High) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
8.8 (High) - CVSS:3.1/
Summary
PowerScale OneFS 8.1.2,8.2.2 and 9.1.0 contains an improper input sanitization issue in its API handler. An un-authtenticated with ISI_PRIV_SYS_SUPPORT and ISI_PRIV_LOGIN_PAPI privileges could potentially exploit this vulnerability, leading to potential privileges escalation.
References
| URL | Tags | ||
|---|---|---|---|
| security_alert@emc.com | https://www.dell.com/support/kbdoc/000183717 | Vendor Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://www.dell.com/support/kbdoc/000183717 | Vendor Advisory |
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| dell | emc_powerscale_onefs | 8.1.2 | |
| dell | emc_powerscale_onefs | 8.2.2 | |
| dell | emc_powerscale_onefs | 9.1.0 |
{
"affected": [
{
"affectedData": [
{
"product": "PowerScale OneFS",
"vendor": "Dell",
"versions": [
{
"lessThan": "8.1.2, 8.2.2,9.1.0.x,EMPIRE (9.2.0), GOTHAM",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
}
]
}
],
"source": "security_alert@emc.com"
}
],
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:dell:emc_powerscale_onefs:8.1.2:*:*:*:*:*:*:*",
"matchCriteriaId": "575793FB-6E18-4A7F-B689-EA4FB7904DFE",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:dell:emc_powerscale_onefs:8.2.2:*:*:*:*:*:*:*",
"matchCriteriaId": "FF89B320-6D5A-4E46-A1FA-FCDB31F325C4",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:dell:emc_powerscale_onefs:9.1.0:*:*:*:*:*:*:*",
"matchCriteriaId": "E08AB5B6-818B-4666-8DF8-32030BBE06A1",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "PowerScale OneFS 8.1.2,8.2.2 and 9.1.0 contains an improper input sanitization issue in its API handler. An un-authtenticated with ISI_PRIV_SYS_SUPPORT and ISI_PRIV_LOGIN_PAPI privileges could potentially exploit this vulnerability, leading to potential privileges escalation."
},
{
"lang": "es",
"value": "PowerScale OneFS versiones 8.1.2, 8.2.2 y 9.1.0, contiene un problema de saneamiento de entrada inapropiado en su controlador de API.\u0026#xa0;Un usuario sin autorizaci\u00f3n con privilegios ISI_PRIV_SYS_SUPPORT e ISI_PRIV_LOGIN_PAPI podr\u00eda explotar esta vulnerabilidad, conllevando una posible escalada de privilegios"
}
],
"id": "CVE-2021-21506",
"lastModified": "2026-06-17T03:35:41.633",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "SINGLE",
"availabilityImpact": "PARTIAL",
"baseScore": 6.5,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P",
"version": "2.0"
},
"exploitabilityScore": 8.0,
"impactScore": 6.4,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
],
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 8.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 2.8,
"impactScore": 5.9,
"source": "security_alert@emc.com",
"type": "Secondary"
},
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 8.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 2.8,
"impactScore": 5.9,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2021-03-08T22:15:13.970",
"references": [
{
"source": "security_alert@emc.com",
"tags": [
"Vendor Advisory"
],
"url": "https://www.dell.com/support/kbdoc/000183717"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "https://www.dell.com/support/kbdoc/000183717"
}
],
"sourceIdentifier": "security_alert@emc.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-20"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
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.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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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.
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