cve-2021-22043
Vulnerability from cvelistv5
Published
2022-02-16 16:37
Modified
2024-08-03 18:30
Severity ?
EPSS score ?
Summary
VMware ESXi contains a TOCTOU (Time-of-check Time-of-use) vulnerability that exists in the way temporary files are handled. A malicious actor with access to settingsd, may exploit this issue to escalate their privileges by writing arbitrary files.
References
▼ | URL | Tags | |
---|---|---|---|
security@vmware.com | https://www.vmware.com/security/advisories/VMSA-2022-0004.html | Patch, Vendor Advisory |
Impacted products
▼ | Vendor | Product |
---|---|---|
n/a | VMware ESXi and VMware Cloud Foundation |
{ "containers": { "adp": [ { "providerMetadata": { "dateUpdated": "2024-08-03T18:30:24.011Z", "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE" }, "references": [ { "tags": [ "x_refsource_MISC", "x_transferred" ], "url": "https://www.vmware.com/security/advisories/VMSA-2022-0004.html" } ], "title": "CVE Program Container" } ], "cna": { "affected": [ { "product": "VMware ESXi and VMware Cloud Foundation", "vendor": "n/a", "versions": [ { "status": "affected", "version": "VMware ESXi(7.0 U3 before ESXi70U3c-19193900, 7.0 U2 before ESXi70U2e-19290878 and 7.0 U1 before ESXi70U1e-19324898) and VMware Cloud Foundation 4.x before 4.4" } ] } ], "descriptions": [ { "lang": "en", "value": "VMware ESXi contains a TOCTOU (Time-of-check Time-of-use) vulnerability that exists in the way temporary files are handled. A malicious actor with access to settingsd, may exploit this issue to escalate their privileges by writing arbitrary files." } ], "problemTypes": [ { "descriptions": [ { "description": "TOCTOU vulnerability", "lang": "en", "type": "text" } ] } ], "providerMetadata": { "dateUpdated": "2022-02-16T16:37:55", "orgId": "dcf2e128-44bd-42ed-91e8-88f912c1401d", "shortName": "vmware" }, "references": [ { "tags": [ "x_refsource_MISC" ], "url": "https://www.vmware.com/security/advisories/VMSA-2022-0004.html" } ], "x_legacyV4Record": { "CVE_data_meta": { "ASSIGNER": "security@vmware.com", "ID": "CVE-2021-22043", "STATE": "PUBLIC" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "VMware ESXi and VMware Cloud Foundation", "version": { "version_data": [ { "version_value": "VMware ESXi(7.0 U3 before ESXi70U3c-19193900, 7.0 U2 before ESXi70U2e-19290878 and 7.0 U1 before ESXi70U1e-19324898) and VMware Cloud Foundation 4.x before 4.4" } ] } } ] }, "vendor_name": "n/a" } ] } }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "VMware ESXi contains a TOCTOU (Time-of-check Time-of-use) vulnerability that exists in the way temporary files are handled. A malicious actor with access to settingsd, may exploit this issue to escalate their privileges by writing arbitrary files." } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "TOCTOU vulnerability" } ] } ] }, "references": { "reference_data": [ { "name": "https://www.vmware.com/security/advisories/VMSA-2022-0004.html", "refsource": "MISC", "url": "https://www.vmware.com/security/advisories/VMSA-2022-0004.html" } ] } } } }, "cveMetadata": { "assignerOrgId": "dcf2e128-44bd-42ed-91e8-88f912c1401d", "assignerShortName": "vmware", "cveId": "CVE-2021-22043", "datePublished": "2022-02-16T16:37:55", "dateReserved": "2021-01-04T00:00:00", "dateUpdated": "2024-08-03T18:30:24.011Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1", "meta": { "nvd": "{\"cve\":{\"id\":\"CVE-2021-22043\",\"sourceIdentifier\":\"security@vmware.com\",\"published\":\"2022-02-16T17:15:10.593\",\"lastModified\":\"2022-02-24T19:51:04.653\",\"vulnStatus\":\"Analyzed\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"VMware ESXi contains a TOCTOU (Time-of-check Time-of-use) vulnerability that exists in the way temporary files are handled. A malicious actor with access to settingsd, may exploit this issue to escalate their privileges by writing arbitrary files.\"},{\"lang\":\"es\",\"value\":\"VMware ESXi contiene una vulnerabilidad TOCTOU (Time-of-check Time-of-use) que se presenta en la forma de manejar los archivos temporales. Un actor malicioso con acceso a settingsd, puede explotar este problema para escalar sus privilegios al escribir archivos arbitrarios\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\",\"baseScore\":7.5,\"baseSeverity\":\"HIGH\"},\"exploitabilityScore\":1.6,\"impactScore\":5.9}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:M/Au:S/C:P/I:P/A:P\",\"accessVector\":\"NETWORK\",\"accessComplexity\":\"MEDIUM\",\"authentication\":\"SINGLE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"PARTIAL\",\"baseScore\":6.0},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":6.8,\"impactScore\":6.4,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-367\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:vmware:fusion:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"4.4\",\"matchCriteriaId\":\"E834FF90-171F-4581-8AB2-AC55C1252DD4\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:vmware:esxi:7.0:update_1:*:*:*:*:*:*\",\"matchCriteriaId\":\"2C8DB7F6-5765-4355-B30E-9CAC39ECA5D9\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:vmware:esxi:7.0:update_2:*:*:*:*:*:*\",\"matchCriteriaId\":\"D3E3A02D-6C1E-4DE8-B845-60F53C056F32\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:vmware:esxi:7.0:update_3:*:*:*:*:*:*\",\"matchCriteriaId\":\"4ADC3CFF-7415-46A5-817A-2F053B261E8C\"}]}]}],\"references\":[{\"url\":\"https://www.vmware.com/security/advisories/VMSA-2022-0004.html\",\"source\":\"security@vmware.com\",\"tags\":[\"Patch\",\"Vendor Advisory\"]}]}}" } }
Loading...
Loading...
Sightings
Author | Source | Type | Date |
---|
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.