CVE-2021-21575 (GCVE-0-2021-21575)
Vulnerability from cvelistv5 – Published: 2024-02-02 15:53 – Updated: 2024-08-03 18:16
VLAI
EPSS
VEX
Summary
Dell BSAFE Micro Edition Suite, versions before 4.5.2, contain an Observable Timing Discrepancy Vulnerability.
Severity
5.9 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-02-02 20:35 UTC
CWE
- CWE-208 - Observable Timing Discrepancy
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.dell.com/support/kbdoc/en-us/00018946… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Dell | BSAFE Micro Edition Suite |
Affected:
All versions before 4.5.2
|
guessed |
Date Public
2021-07-12 06:30
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2021-21575",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2024-02-02T20:35:58.679658Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2024-07-05T17:22:52.590Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
},
{
"providerMetadata": {
"dateUpdated": "2024-08-03T18:16:23.561Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"vendor-advisory",
"x_transferred"
],
"url": "https://www.dell.com/support/kbdoc/en-us/000189462/dsa-2021-131-dell-bsafetm-micro-edition-suite-multiple-vulnerabilities"
}
],
"title": "CVE Program Container"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "BSAFE Micro Edition Suite",
"vendor": "Dell",
"versions": [
{
"status": "affected",
"version": "All versions before 4.5.2"
}
]
}
],
"datePublic": "2021-07-12T06:30:00.000Z",
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "\n\n\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003eDell BSAFE Micro Edition Suite,\u0026nbsp;\u003c/span\u003e\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003eversions before 4.5.2, contain an Observable Timing Discrepancy Vulnerability.\u003c/span\u003e\n\n"
}
],
"value": "\nDell BSAFE Micro Edition Suite,\u00a0versions before 4.5.2, contain an Observable Timing Discrepancy Vulnerability.\n\n"
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 5.9,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N",
"version": "3.1"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-208",
"description": "CWE-208: Observable Timing Discrepancy",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2024-02-02T15:53:52.071Z",
"orgId": "c550e75a-17ff-4988-97f0-544cde3820fe",
"shortName": "dell"
},
"references": [
{
"tags": [
"vendor-advisory"
],
"url": "https://www.dell.com/support/kbdoc/en-us/000189462/dsa-2021-131-dell-bsafetm-micro-edition-suite-multiple-vulnerabilities"
}
],
"source": {
"discovery": "UNKNOWN"
},
"x_generator": {
"engine": "Vulnogram 0.1.0-dev"
}
}
},
"cveMetadata": {
"assignerOrgId": "c550e75a-17ff-4988-97f0-544cde3820fe",
"assignerShortName": "dell",
"cveId": "CVE-2021-21575",
"datePublished": "2024-02-02T15:53:52.071Z",
"dateReserved": "2021-01-04T15:38:42.799Z",
"dateUpdated": "2024-08-03T18:16:23.561Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2021-21575",
"date": "2026-09-30",
"epss": "0.00529",
"percentile": "0.42578"
},
"fkie_nvd": {
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:dell:bsafe_micro-edition-suite:*:*:*:*:*:*:*:*",
"matchCriteriaId": "84735DD4-8297-4476-9013-967E9E323D9F",
"versionEndExcluding": "4.5.2",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "\nDell BSAFE Micro Edition Suite,\u00a0versions before 4.5.2, contain an Observable Timing Discrepancy Vulnerability.\n\n"
},
{
"lang": "es",
"value": "Dell BSAFE Micro Edition Suite, versiones anteriores a 4.5.2, contienen una vulnerabilidad de discrepancia de tiempo observable."
}
],
"id": "CVE-2021-21575",
"lastModified": "2024-11-21T05:48:38.120",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 5.9,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N",
"version": "3.1"
},
"exploitabilityScore": 2.2,
"impactScore": 3.6,
"source": "security_alert@emc.com",
"type": "Secondary"
},
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 9.8,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 3.9,
"impactScore": 5.9,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2024-02-02T16:15:45.230",
"references": [
{
"source": "security_alert@emc.com",
"tags": [
"Vendor Advisory"
],
"url": "https://www.dell.com/support/kbdoc/en-us/000189462/dsa-2021-131-dell-bsafetm-micro-edition-suite-multiple-vulnerabilities"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "https://www.dell.com/support/kbdoc/en-us/000189462/dsa-2021-131-dell-bsafetm-micro-edition-suite-multiple-vulnerabilities"
}
],
"sourceIdentifier": "security_alert@emc.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-208"
}
],
"source": "security_alert@emc.com",
"type": "Secondary"
},
{
"description": [
{
"lang": "en",
"value": "CWE-203"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"nvd": {
"cve": {
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:dell:bsafe_micro-edition-suite:*:*:*:*:*:*:*:*",
"matchCriteriaId": "84735DD4-8297-4476-9013-967E9E323D9F",
"versionEndExcluding": "4.5.2",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "\nDell BSAFE Micro Edition Suite,\u00a0versions before 4.5.2, contain an Observable Timing Discrepancy Vulnerability.\n\n"
},
{
"lang": "es",
"value": "Dell BSAFE Micro Edition Suite, versiones anteriores a 4.5.2, contienen una vulnerabilidad de discrepancia de tiempo observable."
}
],
"id": "CVE-2021-21575",
"lastModified": "2024-11-21T05:48:38.120",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 5.9,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N",
"version": "3.1"
},
"exploitabilityScore": 2.2,
"impactScore": 3.6,
"source": "security_alert@emc.com",
"type": "Secondary"
},
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 9.8,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 3.9,
"impactScore": 5.9,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2024-02-02T16:15:45.230",
"references": [
{
"source": "security_alert@emc.com",
"tags": [
"Vendor Advisory"
],
"url": "https://www.dell.com/support/kbdoc/en-us/000189462/dsa-2021-131-dell-bsafetm-micro-edition-suite-multiple-vulnerabilities"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "https://www.dell.com/support/kbdoc/en-us/000189462/dsa-2021-131-dell-bsafetm-micro-edition-suite-multiple-vulnerabilities"
}
],
"sourceIdentifier": "security_alert@emc.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-208"
}
],
"source": "security_alert@emc.com",
"type": "Secondary"
},
{
"description": [
{
"lang": "en",
"value": "CWE-203"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
},
"redhat_vex": {
"current_release_date": "2025-05-29T04:24:05+00:00",
"cve": "CVE-2021-21575",
"id": "CVE-2021-21575",
"initial_release_date": "2021-07-12T06:30:00+00:00",
"product_status:known_not_affected": "1",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "CVE-2021-21575",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2021/cve-2021-21575.json",
"version": "3"
},
"vulnrichment": {
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-03T18:16:23.561Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"vendor-advisory",
"x_transferred"
],
"url": "https://www.dell.com/support/kbdoc/en-us/000189462/dsa-2021-131-dell-bsafetm-micro-edition-suite-multiple-vulnerabilities"
}
],
"title": "CVE Program Container"
},
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2021-21575",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2024-02-02T20:35:58.679658Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2024-07-05T15:20:44.246Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "BSAFE Micro Edition Suite",
"vendor": "Dell",
"versions": [
{
"status": "affected",
"version": "All versions before 4.5.2"
}
]
}
],
"datePublic": "2021-07-12T06:30:00.000Z",
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "\n\n\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003eDell BSAFE Micro Edition Suite,\u0026nbsp;\u003c/span\u003e\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003eversions before 4.5.2, contain an Observable Timing Discrepancy Vulnerability.\u003c/span\u003e\n\n"
}
],
"value": "\nDell BSAFE Micro Edition Suite,\u00a0versions before 4.5.2, contain an Observable Timing Discrepancy Vulnerability.\n\n"
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 5.9,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N",
"version": "3.1"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-208",
"description": "CWE-208: Observable Timing Discrepancy",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2024-02-02T15:53:52.071Z",
"orgId": "c550e75a-17ff-4988-97f0-544cde3820fe",
"shortName": "dell"
},
"references": [
{
"tags": [
"vendor-advisory"
],
"url": "https://www.dell.com/support/kbdoc/en-us/000189462/dsa-2021-131-dell-bsafetm-micro-edition-suite-multiple-vulnerabilities"
}
],
"source": {
"discovery": "UNKNOWN"
},
"x_generator": {
"engine": "Vulnogram 0.1.0-dev"
}
}
},
"cveMetadata": {
"assignerOrgId": "c550e75a-17ff-4988-97f0-544cde3820fe",
"assignerShortName": "dell",
"cveId": "CVE-2021-21575",
"datePublished": "2024-02-02T15:53:52.071Z",
"dateReserved": "2021-01-04T15:38:42.799Z",
"dateUpdated": "2024-08-03T18:16:23.561Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
}
}
Loading…
Loading…
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.
Loading…
Loading…
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.
Loading…
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.
Loading…