cve-2021-26561
Vulnerability from cvelistv5
Published
2021-02-26 21:45
Modified
2024-09-16 23:06
Severity ?
EPSS score ?
Summary
Stack-based buffer overflow vulnerability in synoagentregisterd in Synology DiskStation Manager (DSM) before 6.2.3-25426-3 allows man-in-the-middle attackers to execute arbitrary code via syno_finder_site HTTP header.
References
▼ | URL | Tags | |
---|---|---|---|
security@synology.com | https://www.synology.com/security/advisory/Synology_SA_20_26 | Vendor Advisory | |
security@synology.com | https://www.talosintelligence.com/vulnerability_reports/TALOS-2020-1159 | Exploit, Third Party Advisory | |
af854a3a-2127-422b-91ae-364da2661108 | https://www.synology.com/security/advisory/Synology_SA_20_26 | Vendor Advisory | |
af854a3a-2127-422b-91ae-364da2661108 | https://www.talosintelligence.com/vulnerability_reports/TALOS-2020-1159 | Exploit, Third Party Advisory |
Impacted products
Vendor | Product | Version | ||
---|---|---|---|---|
Synology | Synology DiskStation Manager (DSM) |
Version: unspecified < 6.2.3-25426-3 |
{ containers: { adp: [ { providerMetadata: { dateUpdated: "2024-08-03T20:26:25.449Z", 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.talosintelligence.com/vulnerability_reports/TALOS-2020-1159", }, ], 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: "2021-02-26T00:00:00", descriptions: [ { lang: "en", value: "Stack-based buffer overflow vulnerability in synoagentregisterd in Synology DiskStation Manager (DSM) before 6.2.3-25426-3 allows man-in-the-middle attackers to execute arbitrary code via syno_finder_site HTTP header.", }, ], metrics: [ { cvssV3_1: { attackComplexity: "HIGH", attackVector: "NETWORK", availabilityImpact: "HIGH", baseScore: 9, baseSeverity: "CRITICAL", confidentialityImpact: "HIGH", integrityImpact: "HIGH", privilegesRequired: "NONE", scope: "CHANGED", userInteraction: "NONE", vectorString: "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H", version: "3.1", }, }, ], problemTypes: [ { descriptions: [ { cweId: "CWE-121", description: "CWE-121: Stack-based Buffer Overflow", lang: "en", type: "CWE", }, ], }, ], providerMetadata: { dateUpdated: "2021-04-19T18:06:13", 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.talosintelligence.com/vulnerability_reports/TALOS-2020-1159", }, ], x_legacyV4Record: { CVE_data_meta: { ASSIGNER: "security@synology.com", DATE_PUBLIC: "2021-02-26T00:00:00", ID: "CVE-2021-26561", STATE: "PUBLIC", }, affects: { vendor: { vendor_data: [ { product: { product_data: [ { product_name: "Synology DiskStation Manager (DSM)", version: { version_data: [ { affected: "<", version_affected: "<", 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: "Stack-based buffer overflow vulnerability in synoagentregisterd in Synology DiskStation Manager (DSM) before 6.2.3-25426-3 allows man-in-the-middle attackers to execute arbitrary code via syno_finder_site HTTP header.", }, ], }, impact: { cvss: { baseScore: "9.0", vectorString: "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H", version: "3.1", }, }, problemtype: { problemtype_data: [ { description: [ { lang: "eng", value: "CWE-121: Stack-based Buffer Overflow", }, ], }, ], }, 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.talosintelligence.com/vulnerability_reports/TALOS-2020-1159", refsource: "MISC", url: "https://www.talosintelligence.com/vulnerability_reports/TALOS-2020-1159", }, ], }, }, }, }, cveMetadata: { assignerOrgId: "db201096-a0cc-46c7-9a55-61d9e221bf01", assignerShortName: "synology", cveId: "CVE-2021-26561", datePublished: "2021-02-26T21:45:31.206502Z", dateReserved: "2021-02-02T00:00:00", dateUpdated: "2024-09-16T23:06:05.777Z", 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\"}]}]}, {\"operator\": \"AND\", \"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:synology:vs960hd_firmware:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"3D0C5120-B961-440F-B454-584BC54B549C\"}]}, {\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": false, \"criteria\": \"cpe:2.3:h:synology:vs960hd:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"1CCBDFF9-AF42-4681-879B-CF789EBAD130\"}]}]}, {\"operator\": \"AND\", \"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:synology:skynas_firmware:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"53EF087B-D7E9-4F9A-803A-B0260C495C67\"}]}, {\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": false, \"criteria\": \"cpe:2.3:h:synology:skynas:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"D0A88A76-CF8A-4D29-B480-E5317219072D\"}]}]}, {\"operator\": \"AND\", \"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:synology:diskstation_manager_unified_controller:3.0:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"6B04366E-B5F8-4835-B1FB-106AFD3D3785\"}]}, {\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": false, \"criteria\": \"cpe:2.3:h:synology:uc3200:-:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"1100D972-198E-45F9-8F04-763F6FE88377\"}]}]}]", descriptions: "[{\"lang\": \"en\", \"value\": \"Stack-based buffer overflow vulnerability in synoagentregisterd in Synology DiskStation Manager (DSM) before 6.2.3-25426-3 allows man-in-the-middle attackers to execute arbitrary code via syno_finder_site HTTP header.\"}, {\"lang\": \"es\", \"value\": \"Una vulnerabilidad de desbordamiento del b\\u00fafer en la regi\\u00f3n stack de la memoria en synoagentregisterd en Synology DiskStation Manager (DSM) versiones anteriores a 6.2.3-25426-3, permite a atacantes de tipo man-in-the-middle ejecutar c\\u00f3digo arbitrario por medio del encabezado HTTP syno_finder_site\"}]", id: "CVE-2021-26561", lastModified: "2024-11-21T05:56:29.137", metrics: "{\"cvssMetricV31\": [{\"source\": \"security@synology.com\", \"type\": \"Secondary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H\", \"baseScore\": 9.0, \"baseSeverity\": \"CRITICAL\", \"attackVector\": \"NETWORK\", \"attackComplexity\": \"HIGH\", \"privilegesRequired\": \"NONE\", \"userInteraction\": \"NONE\", \"scope\": \"CHANGED\", \"confidentialityImpact\": \"HIGH\", \"integrityImpact\": \"HIGH\", \"availabilityImpact\": \"HIGH\"}, \"exploitabilityScore\": 2.2, \"impactScore\": 6.0}, {\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H\", \"baseScore\": 8.1, \"baseSeverity\": \"HIGH\", \"attackVector\": \"NETWORK\", \"attackComplexity\": \"HIGH\", \"privilegesRequired\": \"NONE\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"HIGH\", \"integrityImpact\": \"HIGH\", \"availabilityImpact\": \"HIGH\"}, \"exploitabilityScore\": 2.2, \"impactScore\": 5.9}], \"cvssMetricV2\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"2.0\", \"vectorString\": \"AV:N/AC:M/Au:N/C:P/I:P/A:P\", \"baseScore\": 6.8, \"accessVector\": \"NETWORK\", \"accessComplexity\": \"MEDIUM\", \"authentication\": \"NONE\", \"confidentialityImpact\": \"PARTIAL\", \"integrityImpact\": \"PARTIAL\", \"availabilityImpact\": \"PARTIAL\"}, \"baseSeverity\": \"MEDIUM\", \"exploitabilityScore\": 8.6, \"impactScore\": 6.4, \"acInsufInfo\": false, \"obtainAllPrivilege\": false, \"obtainUserPrivilege\": false, \"obtainOtherPrivilege\": false, \"userInteractionRequired\": false}]}", published: "2021-02-26T22:15:19.877", references: "[{\"url\": \"https://www.synology.com/security/advisory/Synology_SA_20_26\", \"source\": \"security@synology.com\", \"tags\": [\"Vendor Advisory\"]}, {\"url\": \"https://www.talosintelligence.com/vulnerability_reports/TALOS-2020-1159\", \"source\": \"security@synology.com\", \"tags\": [\"Exploit\", \"Third Party Advisory\"]}, {\"url\": \"https://www.synology.com/security/advisory/Synology_SA_20_26\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Vendor Advisory\"]}, {\"url\": \"https://www.talosintelligence.com/vulnerability_reports/TALOS-2020-1159\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Exploit\", \"Third Party Advisory\"]}]", sourceIdentifier: "security@synology.com", vulnStatus: "Modified", weaknesses: "[{\"source\": \"security@synology.com\", \"type\": \"Secondary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-121\"}]}, {\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-119\"}]}]", }, nvd: "{\"cve\":{\"id\":\"CVE-2021-26561\",\"sourceIdentifier\":\"security@synology.com\",\"published\":\"2021-02-26T22:15:19.877\",\"lastModified\":\"2025-01-14T19:29:55.853\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Stack-based buffer overflow vulnerability in synoagentregisterd in Synology DiskStation Manager (DSM) before 6.2.3-25426-3 allows man-in-the-middle attackers to execute arbitrary code via syno_finder_site HTTP header.\"},{\"lang\":\"es\",\"value\":\"Una vulnerabilidad de desbordamiento del búfer en la región stack de la memoria en synoagentregisterd en Synology DiskStation Manager (DSM) versiones anteriores a 6.2.3-25426-3, permite a atacantes de tipo man-in-the-middle ejecutar código arbitrario por medio del encabezado HTTP syno_finder_site\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"security@synology.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H\",\"baseScore\":9.0,\"baseSeverity\":\"CRITICAL\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"CHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":2.2,\"impactScore\":6.0},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":8.1,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":2.2,\"impactScore\":5.9}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:M/Au:N/C:P/I:P/A:P\",\"baseScore\":6.8,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"MEDIUM\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":8.6,\"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-121\"}]},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-119\"}]}],\"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\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:synology:vs960hd_firmware:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"3D0C5120-B961-440F-B454-584BC54B549C\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:synology:vs960hd:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"1CCBDFF9-AF42-4681-879B-CF789EBAD130\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:synology:skynas_firmware:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"53EF087B-D7E9-4F9A-803A-B0260C495C67\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:synology:skynas:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"D0A88A76-CF8A-4D29-B480-E5317219072D\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:synology:diskstation_manager_unified_controller:3.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"6B04366E-B5F8-4835-B1FB-106AFD3D3785\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:synology:uc3200:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"1100D972-198E-45F9-8F04-763F6FE88377\"}]}]}],\"references\":[{\"url\":\"https://www.synology.com/security/advisory/Synology_SA_20_26\",\"source\":\"security@synology.com\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://www.talosintelligence.com/vulnerability_reports/TALOS-2020-1159\",\"source\":\"security@synology.com\",\"tags\":[\"Exploit\",\"Third Party Advisory\"]},{\"url\":\"https://www.synology.com/security/advisory/Synology_SA_20_26\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://www.talosintelligence.com/vulnerability_reports/TALOS-2020-1159\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Exploit\",\"Third Party Advisory\"]}]}}", }, }
Log in or create an account to share your comment.
Security Advisory comment format.
This schema specifies the format of a comment related to a security advisory.
Title of the comment
Description of the comment
Loading…
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.