CVE-2021-21039
Vulnerability from cvelistv5
Published
2021-02-11 19:42
Modified
2024-09-16 18:34
Severity ?
EPSS score ?
Summary
Acrobat Reader DC Use-After-Free Vulnerability Could Lead To Arbitrary Code Execution
References
▼ | URL | Tags | |
---|---|---|---|
psirt@adobe.com | https://helpx.adobe.com/security/products/acrobat/apsb21-09.html | Vendor Advisory |
Impacted products
▼ | Vendor | Product |
---|---|---|
Adobe | Acrobat Reader |
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An unauthenticated attacker could leverage this vulnerability to achieve arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file." } ], "metrics": [ { "cvssV3_1": { "attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1" } } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-416", "description": "Use After Free (CWE-416)", "lang": "en", "type": "CWE" } ] } ], "providerMetadata": { "dateUpdated": "2021-02-11T19:42:21", "orgId": "078d4453-3bcd-4900-85e6-15281da43538", "shortName": "adobe" }, "references": [ { "tags": [ "x_refsource_MISC" ], "url": "https://helpx.adobe.com/security/products/acrobat/apsb21-09.html" } ], "source": { "discovery": "EXTERNAL" }, "title": "Acrobat Reader DC Use-After-Free Vulnerability Could Lead To Arbitrary Code Execution", "x_legacyV4Record": { "CVE_data_meta": { "ASSIGNER": "psirt@adobe.com", "DATE_PUBLIC": "2021-02-09T23:00:00.000Z", "ID": "CVE-2021-21039", "STATE": "PUBLIC", "TITLE": "Acrobat Reader DC Use-After-Free Vulnerability Could Lead To Arbitrary Code Execution" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "Acrobat Reader", "version": { "version_data": [ { "version_affected": "\u003c=", "version_value": "2020.013.20074" }, { "version_affected": "\u003c=", "version_value": "2020.001.30018" }, { "version_affected": "\u003c=", "version_value": "2017.011.30188" }, { "version_affected": "\u003c=", "version_value": "None" } ] } } ] }, "vendor_name": "Adobe" } ] } }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and 2017.011.30188 (and earlier) are affected by a Use After Free vulnerability. An unauthenticated attacker could leverage this vulnerability to achieve arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file." } ] }, "impact": { "cvss": { "attackComplexity": "None", "attackVector": "None", "availabilityImpact": "None", "baseScore": 7.8, "baseSeverity": "High", "confidentialityImpact": "None", "integrityImpact": "None", "privilegesRequired": "None", "scope": "None", "userInteraction": "None", "vectorString": "AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1" } }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "Use After Free (CWE-416)" } ] } ] }, "references": { "reference_data": [ { "name": "https://helpx.adobe.com/security/products/acrobat/apsb21-09.html", "refsource": "MISC", "url": "https://helpx.adobe.com/security/products/acrobat/apsb21-09.html" } ] }, "source": { "discovery": "EXTERNAL" } } } }, "cveMetadata": { "assignerOrgId": "078d4453-3bcd-4900-85e6-15281da43538", "assignerShortName": "adobe", "cveId": "CVE-2021-21039", "datePublished": "2021-02-11T19:42:21.646506Z", "dateReserved": "2020-12-18T00:00:00", "dateUpdated": "2024-09-16T18:34:15.275Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1", "meta": { "nvd": "{\"cve\":{\"id\":\"CVE-2021-21039\",\"sourceIdentifier\":\"psirt@adobe.com\",\"published\":\"2021-02-11T20:15:15.387\",\"lastModified\":\"2021-09-08T17:23:00.027\",\"vulnStatus\":\"Analyzed\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and 2017.011.30188 (and earlier) are affected by a Use After Free vulnerability. 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Exploitation of this issue requires user interaction in that a victim must open a malicious file.\"},{\"lang\":\"es\",\"value\":\"Acrobat Reader DC versiones 2020.013.20074 (y anteriores), versiones 2020.001.30018 (y anteriores) y versiones 2017.011.30188 (y anteriores), est\u00e1n afectadas por una vulnerabilidad Uso de la Memoria Previamente Liberada.\u0026#xa0;Un atacante no autenticado podr\u00eda aprovechar esta vulnerabilidad para alcanzar una ejecuci\u00f3n de c\u00f3digo arbitraria en el contexto del usuario actual.\u0026#xa0;Una explotaci\u00f3n de este problema requiere una interacci\u00f3n del usuario, ya que la v\u00edctima debe abrir un archivo malicioso\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"psirt@adobe.com\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"REQUIRED\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\",\"baseScore\":7.8,\"baseSeverity\":\"HIGH\"},\"exploitabilityScore\":1.8,\"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\",\"accessVector\":\"NETWORK\",\"accessComplexity\":\"MEDIUM\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"PARTIAL\",\"baseScore\":6.8},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":8.6,\"impactScore\":6.4,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":true}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-416\"}]},{\"source\":\"psirt@adobe.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-416\"}]}],\"configurations\":[{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:adobe:acrobat:*:*:*:*:classic:*:*:*\",\"versionStartIncluding\":\"17.0\",\"versionEndIncluding\":\"17.011.30188\",\"matchCriteriaId\":\"CC23AA00-FC0B-4CA7-83CF-D11CB679630C\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:adobe:acrobat:*:*:*:*:classic:*:*:*\",\"versionStartIncluding\":\"20.0\",\"versionEndIncluding\":\"20.001.30018\",\"matchCriteriaId\":\"2B0D84BC-88D8-4B29-BF4C-DE3D27D0EFF3\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:adobe:acrobat_dc:*:*:*:*:continuous:*:*:*\",\"versionEndIncluding\":\"20.013.20074\",\"matchCriteriaId\":\"BAA2B3BC-EA31-445B-9D6F-1A3D86030F98\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:adobe:acrobat_reader:*:*:*:*:classic:*:*:*\",\"versionStartIncluding\":\"17.0\",\"versionEndIncluding\":\"17.011.30188\",\"matchCriteriaId\":\"33305687-D4B1-4A48-B6B3-0619038243BF\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:adobe:acrobat_reader:*:*:*:*:classic:*:*:*\",\"versionStartIncluding\":\"20.0\",\"versionEndIncluding\":\"20.001.300183\",\"matchCriteriaId\":\"4B989379-B8B7-4FA7-9319-F0FB8CA2253C\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:adobe:acrobat_reader_dc:*:*:*:*:continuous:*:*:*\",\"versionEndIncluding\":\"20.013.20074\",\"matchCriteriaId\":\"E5BC145F-0696-4B2F-AEC5-4FDB25E8EA6E\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"387021A0-AF36-463C-A605-32EA7DAC172E\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"A2572D17-1DE6-457B-99CC-64AFD54487EA\"}]}]}],\"references\":[{\"url\":\"https://helpx.adobe.com/security/products/acrobat/apsb21-09.html\",\"source\":\"psirt@adobe.com\",\"tags\":[\"Vendor Advisory\"]}]}}" } }
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Sightings
Author | Source | Type | Date |
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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.