cve-2021-27646
Vulnerability from cvelistv5
Published
2021-03-12 06:45
Modified
2024-09-16 18:54
Severity ?
EPSS score ?
Summary
Use After Free vulnerability in iscsi_snapshot_comm_core in Synology DiskStation Manager (DSM) before 6.2.3-25426-3 allows remote attackers to execute arbitrary code via crafted web requests.
References
▼ | URL | Tags | |
---|---|---|---|
security@synology.com | https://www.synology.com/security/advisory/Synology_SA_20_26 | Vendor Advisory | |
security@synology.com | https://www.zerodayinitiative.com/advisories/ZDI-21-339/ | Not Applicable | |
security@synology.com | https://www.zerodayinitiative.com/advisories/ZDI-21-340/ | Third Party Advisory, VDB Entry | |
af854a3a-2127-422b-91ae-364da2661108 | https://www.synology.com/security/advisory/Synology_SA_20_26 | Vendor Advisory | |
af854a3a-2127-422b-91ae-364da2661108 | https://www.zerodayinitiative.com/advisories/ZDI-21-339/ | Not Applicable | |
af854a3a-2127-422b-91ae-364da2661108 | https://www.zerodayinitiative.com/advisories/ZDI-21-340/ | Third Party Advisory, VDB Entry |
Impacted products
Vendor | Product | Version | |
---|---|---|---|
▼ | Synology | Synology DiskStation Manager (DSM) |
Version: unspecified < 6.2.3-25426-3 |
|
{ "containers": { "adp": [ { "providerMetadata": { "dateUpdated": "2024-08-03T21:26:10.663Z", "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE" }, "references": [ { "tags": [ "x_refsource_CONFIRM", "x_transferred" ], "url": "https://www.synology.com/security/advisory/Synology_SA_20_26" }, { "tags": [ "x_refsource_MISC", "x_transferred" ], "url": "https://www.zerodayinitiative.com/advisories/ZDI-21-340/" }, { "tags": [ "x_refsource_MISC", "x_transferred" ], "url": "https://www.zerodayinitiative.com/advisories/ZDI-21-339/" } ], "title": "CVE Program Container" } ], "cna": { "affected": [ { "product": "Synology DiskStation Manager (DSM)", "vendor": "Synology", "versions": [ { "lessThan": "6.2.3-25426-3", "status": "affected", "version": "unspecified", "versionType": "custom" } ] } ], "datePublic": "2021-03-12T00:00:00", "descriptions": [ { "lang": "en", "value": "Use After Free vulnerability in iscsi_snapshot_comm_core in Synology DiskStation Manager (DSM) before 6.2.3-25426-3 allows remote attackers to execute arbitrary code via crafted web requests." } ], "metrics": [ { "cvssV3_1": { "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" } } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-416", "description": "CWE-416: Use After Free", "lang": "en", "type": "CWE" } ] } ], "providerMetadata": { "dateUpdated": "2021-03-22T16:06:10", "orgId": "db201096-a0cc-46c7-9a55-61d9e221bf01", "shortName": "synology" }, "references": [ { "tags": [ "x_refsource_CONFIRM" ], "url": "https://www.synology.com/security/advisory/Synology_SA_20_26" }, { "tags": [ "x_refsource_MISC" ], "url": "https://www.zerodayinitiative.com/advisories/ZDI-21-340/" }, { "tags": [ "x_refsource_MISC" ], "url": "https://www.zerodayinitiative.com/advisories/ZDI-21-339/" } ], "x_legacyV4Record": { "CVE_data_meta": { "ASSIGNER": "security@synology.com", "DATE_PUBLIC": "2021-03-12T06:01:55.451382", "ID": "CVE-2021-27646", "STATE": "PUBLIC" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "Synology DiskStation Manager (DSM)", "version": { "version_data": [ { "affected": "\u003c", "version_affected": "\u003c", "version_value": "6.2.3-25426-3" } ] } } ] }, "vendor_name": "Synology" } ] } }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "Use After Free vulnerability in iscsi_snapshot_comm_core in Synology DiskStation Manager (DSM) before 6.2.3-25426-3 allows remote attackers to execute arbitrary code via crafted web requests." } ] }, "impact": { "cvss": { "baseScore": "9.8", "vectorString": "AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1" } }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "CWE-416: Use After Free" } ] } ] }, "references": { "reference_data": [ { "name": "https://www.synology.com/security/advisory/Synology_SA_20_26", "refsource": "CONFIRM", "url": "https://www.synology.com/security/advisory/Synology_SA_20_26" }, { "name": "https://www.zerodayinitiative.com/advisories/ZDI-21-340/", "refsource": "MISC", "url": "https://www.zerodayinitiative.com/advisories/ZDI-21-340/" }, { "name": "https://www.zerodayinitiative.com/advisories/ZDI-21-339/", "refsource": "MISC", "url": "https://www.zerodayinitiative.com/advisories/ZDI-21-339/" } ] } } } }, "cveMetadata": { "assignerOrgId": "db201096-a0cc-46c7-9a55-61d9e221bf01", "assignerShortName": "synology", "cveId": "CVE-2021-27646", "datePublished": "2021-03-12T06:45:13.026370Z", "dateReserved": "2021-02-24T00:00:00", "dateUpdated": "2024-09-16T18:54:23.293Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1", "vulnerability-lookup:meta": { "fkie_nvd": { "configurations": "[{\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:synology:diskstation_manager:*:*:*:*:*:*:*:*\", \"versionEndExcluding\": \"6.2.3-25426-3\", \"matchCriteriaId\": \"D3A47DA1-91A8-408B-9985-59C64DFF81DC\"}]}]}]", "descriptions": "[{\"lang\": \"en\", \"value\": \"Use After Free vulnerability in iscsi_snapshot_comm_core in Synology DiskStation Manager (DSM) before 6.2.3-25426-3 allows remote attackers to execute arbitrary code via crafted web requests.\"}, {\"lang\": \"es\", \"value\": \"Una vulnerabilidad de Uso de la Memoria Previamente Liberada en iscsi_snapshot_comm_core en Synology DiskStation Manager (DSM) versiones anteriores a 6.2.3-25426-3, permite a atacantes remotos ejecutar c\\u00f3digo arbitrario por medio de peticiones web dise\\u00f1adas\"}]", "id": "CVE-2021-27646", "lastModified": "2024-11-21T05:58:22.263", "metrics": "{\"cvssMetricV31\": [{\"source\": \"security@synology.com\", \"type\": \"Secondary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H\", \"baseScore\": 9.8, \"baseSeverity\": \"CRITICAL\", \"attackVector\": \"NETWORK\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"NONE\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"HIGH\", \"integrityImpact\": \"HIGH\", \"availabilityImpact\": \"HIGH\"}, \"exploitabilityScore\": 3.9, \"impactScore\": 5.9}, {\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H\", \"baseScore\": 9.8, \"baseSeverity\": \"CRITICAL\", \"attackVector\": \"NETWORK\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"NONE\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"HIGH\", \"integrityImpact\": \"HIGH\", \"availabilityImpact\": \"HIGH\"}, \"exploitabilityScore\": 3.9, \"impactScore\": 5.9}], \"cvssMetricV2\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"2.0\", \"vectorString\": \"AV:N/AC:L/Au:N/C:P/I:P/A:P\", \"baseScore\": 7.5, \"accessVector\": \"NETWORK\", \"accessComplexity\": \"LOW\", \"authentication\": \"NONE\", \"confidentialityImpact\": \"PARTIAL\", \"integrityImpact\": \"PARTIAL\", \"availabilityImpact\": \"PARTIAL\"}, \"baseSeverity\": \"HIGH\", \"exploitabilityScore\": 10.0, \"impactScore\": 6.4, \"acInsufInfo\": false, \"obtainAllPrivilege\": false, \"obtainUserPrivilege\": false, \"obtainOtherPrivilege\": false, \"userInteractionRequired\": false}]}", "published": "2021-03-12T07:15:13.717", "references": "[{\"url\": \"https://www.synology.com/security/advisory/Synology_SA_20_26\", \"source\": \"security@synology.com\", \"tags\": [\"Vendor Advisory\"]}, {\"url\": \"https://www.zerodayinitiative.com/advisories/ZDI-21-339/\", \"source\": \"security@synology.com\", \"tags\": [\"Not Applicable\"]}, {\"url\": \"https://www.zerodayinitiative.com/advisories/ZDI-21-340/\", \"source\": \"security@synology.com\", \"tags\": [\"Third Party Advisory\", \"VDB Entry\"]}, {\"url\": \"https://www.synology.com/security/advisory/Synology_SA_20_26\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Vendor Advisory\"]}, {\"url\": \"https://www.zerodayinitiative.com/advisories/ZDI-21-339/\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Not Applicable\"]}, {\"url\": \"https://www.zerodayinitiative.com/advisories/ZDI-21-340/\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Third Party Advisory\", \"VDB Entry\"]}]", "sourceIdentifier": "security@synology.com", "vulnStatus": "Modified", "weaknesses": "[{\"source\": \"security@synology.com\", \"type\": \"Secondary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-416\"}]}, {\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-416\"}]}]" }, "nvd": "{\"cve\":{\"id\":\"CVE-2021-27646\",\"sourceIdentifier\":\"security@synology.com\",\"published\":\"2021-03-12T07:15:13.717\",\"lastModified\":\"2025-01-14T19:29:55.853\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Use After Free vulnerability in iscsi_snapshot_comm_core in Synology DiskStation Manager (DSM) before 6.2.3-25426-3 allows remote attackers to execute arbitrary code via crafted web requests.\"},{\"lang\":\"es\",\"value\":\"Una vulnerabilidad de Uso de la Memoria Previamente Liberada en iscsi_snapshot_comm_core en Synology DiskStation Manager (DSM) versiones anteriores a 6.2.3-25426-3, permite a atacantes remotos ejecutar c\u00f3digo arbitrario por medio de peticiones web dise\u00f1adas\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"security@synology.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":9.8,\"baseSeverity\":\"CRITICAL\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":5.9},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":9.8,\"baseSeverity\":\"CRITICAL\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":5.9}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:N/C:P/I:P/A:P\",\"baseScore\":7.5,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"HIGH\",\"exploitabilityScore\":10.0,\"impactScore\":6.4,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"security@synology.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-416\"}]},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-416\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:synology:diskstation_manager:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"6.2.3-25426-3\",\"matchCriteriaId\":\"1628C07C-CCA7-463C-AA98-BF86C97B0D58\"}]}]}],\"references\":[{\"url\":\"https://www.synology.com/security/advisory/Synology_SA_20_26\",\"source\":\"security@synology.com\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://www.zerodayinitiative.com/advisories/ZDI-21-339/\",\"source\":\"security@synology.com\",\"tags\":[\"Not Applicable\"]},{\"url\":\"https://www.zerodayinitiative.com/advisories/ZDI-21-340/\",\"source\":\"security@synology.com\",\"tags\":[\"Third Party Advisory\",\"VDB Entry\"]},{\"url\":\"https://www.synology.com/security/advisory/Synology_SA_20_26\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://www.zerodayinitiative.com/advisories/ZDI-21-339/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Not Applicable\"]},{\"url\":\"https://www.zerodayinitiative.com/advisories/ZDI-21-340/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\",\"VDB Entry\"]}]}}" } }
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.