cve-2021-39850
Vulnerability from cvelistv5
Published
2021-09-29 15:38
Modified
2024-09-16 19:42
Severity ?
EPSS score ?
Summary
Adobe Acrobat Reader DC Null Pointer Dereference Could Lead To Application Denial-of-Service
References
▼ | URL | Tags | |
---|---|---|---|
psirt@adobe.com | https://helpx.adobe.com/security/products/acrobat/apsb21-55.html | Release Notes, Vendor Advisory |
Impacted products
▼ | Vendor | Product |
---|---|---|
Adobe | Acrobat Reader |
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An unauthenticated attacker could leverage this vulnerability to achieve an application denial-of-service 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": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "version": "3.1" } } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-476", "description": "NULL Pointer Dereference (CWE-476)", "lang": "en", "type": "CWE" } ] } ], "providerMetadata": { "dateUpdated": "2021-10-06T15:25:15", "orgId": "078d4453-3bcd-4900-85e6-15281da43538", "shortName": "adobe" }, "references": [ { "tags": [ "x_refsource_MISC" ], "url": "https://helpx.adobe.com/security/products/acrobat/apsb21-55.html" } ], "source": { "discovery": "EXTERNAL" }, "title": "Adobe Acrobat Reader DC Null Pointer Dereference Could Lead To Application Denial-of-Service", "x_legacyV4Record": { "CVE_data_meta": { "ASSIGNER": "psirt@adobe.com", "DATE_PUBLIC": "2021-09-14T23:00:00.000Z", "ID": "CVE-2021-39850", "STATE": "PUBLIC", "TITLE": "Adobe Acrobat Reader DC Null Pointer Dereference Could Lead To Application Denial-of-Service" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "Acrobat Reader", "version": { "version_data": [ { "version_affected": "\u003c=", "version_value": "DC 2021 July" }, { "version_affected": "\u003c=", "version_value": "20.0-Classic 2021 July" }, { "version_affected": "\u003c=", "version_value": "17.0-Classic 2021 July" }, { "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 2021.005.20060 (and earlier), 2020.004.30006 (and earlier) and 2017.011.30199 (and earlier) are affected by a Null pointer dereference vulnerability. An unauthenticated attacker could leverage this vulnerability to achieve an application denial-of-service 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": "Low", "attackVector": "Local", "availabilityImpact": "High", "baseScore": 5.5, "baseSeverity": "Medium", "confidentialityImpact": "None", "integrityImpact": "None", "privilegesRequired": "None", "scope": "Unchanged", "userInteraction": "Required", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "version": "3.1" } }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "NULL Pointer Dereference (CWE-476)" } ] } ] }, "references": { "reference_data": [ { "name": "https://helpx.adobe.com/security/products/acrobat/apsb21-55.html", "refsource": "MISC", "url": "https://helpx.adobe.com/security/products/acrobat/apsb21-55.html" } ] }, "source": { "discovery": "EXTERNAL" } } } }, "cveMetadata": { "assignerOrgId": "078d4453-3bcd-4900-85e6-15281da43538", "assignerShortName": "adobe", "cveId": "CVE-2021-39850", "datePublished": "2021-09-29T15:38:54.757062Z", "dateReserved": "2021-08-23T00:00:00", "dateUpdated": "2024-09-16T19:42:00.771Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1", "meta": { "nvd": "{\"cve\":{\"id\":\"CVE-2021-39850\",\"sourceIdentifier\":\"psirt@adobe.com\",\"published\":\"2021-09-29T16:15:09.943\",\"lastModified\":\"2021-10-06T21:13:26.170\",\"vulnStatus\":\"Analyzed\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"Acrobat Reader DC versions 2021.005.20060 (and earlier), 2020.004.30006 (and earlier) and 2017.011.30199 (and earlier) are affected by a Null pointer dereference vulnerability. An unauthenticated attacker could leverage this vulnerability to achieve an application denial-of-service in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.\"},{\"lang\":\"es\",\"value\":\"Las versiones 2021.005.20060 (y anteriores), 2020.004.30006 (y anteriores) y 2017.011.30199 (y anteriores) de Acrobat Reader DC est\u00e1n afectadas por una vulnerabilidad de desviaci\u00f3n de puntero nulo. Un atacante no autenticado podr\u00eda aprovechar esta vulnerabilidad para lograr una denegaci\u00f3n de servicio de la aplicaci\u00f3n en el contexto del usuario actual. La explotaci\u00f3n de este problema requiere la 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:N/I:N/A:H\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"REQUIRED\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:M/Au:N/C:N/I:N/A:P\",\"accessVector\":\"NETWORK\",\"accessComplexity\":\"MEDIUM\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"PARTIAL\",\"baseScore\":4.3},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":8.6,\"impactScore\":2.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":true}]},\"weaknesses\":[{\"source\":\"psirt@adobe.com\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-476\"}]}],\"configurations\":[{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:adobe:acrobat:*:*:*:*:classic:*:*:*\",\"versionStartIncluding\":\"20.001.30005\",\"versionEndIncluding\":\"20.004.30006\",\"matchCriteriaId\":\"7CD4CE56-464A-4679-91C3-527DA78BCFAE\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:adobe:acrobat_reader:*:*:*:*:classic:*:*:*\",\"versionStartIncluding\":\"20.001.30005\",\"versionEndIncluding\":\"20.004.30006\",\"matchCriteriaId\":\"39B2389A-9FDD-45DC-8CAD-637B8CA265D9\"}]},{\"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\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:adobe:acrobat_dc:*:*:*:*:continuous:*:*:*\",\"versionStartIncluding\":\"15.008.20082\",\"versionEndIncluding\":\"21.005.20058\",\"matchCriteriaId\":\"B2FC4D9A-C9B4-45DD-9D8D-9FBD8C6DAA83\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:adobe:acrobat_reader_dc:*:*:*:*:continuous:*:*:*\",\"versionStartIncluding\":\"15.008.20082\",\"versionEndIncluding\":\"21.005.20058\",\"matchCriteriaId\":\"9B149932-7CC5-4CE0-B6A6-D34E140705B0\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"387021A0-AF36-463C-A605-32EA7DAC172E\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:adobe:acrobat_dc:*:*:*:*:continuous:*:*:*\",\"versionStartIncluding\":\"15.008.20082\",\"versionEndIncluding\":\"21.005.20060\",\"matchCriteriaId\":\"D19D3819-2ED8-48A7-A8A1-0A1AF6A7F1E5\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:adobe:acrobat_reader_dc:*:*:*:*:continuous:*:*:*\",\"versionStartIncluding\":\"15.008.20082\",\"versionEndIncluding\":\"21.005.20060\",\"matchCriteriaId\":\"C69371A7-DB10-4407-8FD3-7DF99587F0F6\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"A2572D17-1DE6-457B-99CC-64AFD54487EA\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:adobe:acrobat:*:*:*:*:classic:*:*:*\",\"versionStartIncluding\":\"17.011.30059\",\"versionEndIncluding\":\"17.011.30199\",\"matchCriteriaId\":\"81382F25-AF78-476F-B5D5-824A23354FA2\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:adobe:acrobat_reader:*:*:*:*:classic:*:*:*\",\"versionStartIncluding\":\"17.011.30059\",\"versionEndIncluding\":\"17.011.30199\",\"matchCriteriaId\":\"8DC875CE-98F6-46A9-A5DE-4E1A24CA1DED\"}]},{\"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/apsb21-55.html\",\"source\":\"psirt@adobe.com\",\"tags\":[\"Release Notes\",\"Vendor Advisory\"]}]}}" } }
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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.