gsd-2021-39854
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
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.
Aliases
Aliases
{ "GSD": { "alias": "CVE-2021-39854", "description": "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.", "id": "GSD-2021-39854" }, "gsd": { "metadata": { "exploitCode": "unknown", "remediation": "unknown", "reportConfidence": "confirmed", "type": "vulnerability" }, "osvSchema": { "aliases": [ "CVE-2021-39854" ], "details": "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.", "id": "GSD-2021-39854", "modified": "2023-12-13T01:23:15.862949Z", "schema_version": "1.4.0" } }, "namespaces": { "cve.org": { "CVE_data_meta": { "ASSIGNER": "psirt@adobe.com", "DATE_PUBLIC": "2021-09-14T23:00:00.000Z", "ID": "CVE-2021-39854", "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:3.0/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" } }, "nvd.nist.gov": { "configurations": { "CVE_data_version": "4.0", "nodes": [ { "children": [ { "children": [], "cpe_match": [ { "cpe23Uri": "cpe:2.3:a:adobe:acrobat_dc:*:*:*:*:continuous:*:*:*", "cpe_name": [], "versionEndIncluding": "21.005.20060", "versionStartIncluding": "15.008.20082", "vulnerable": true } ], "operator": "OR" }, { "children": [], "cpe_match": [ { "cpe23Uri": "cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": false } ], "operator": "OR" } ], "cpe_match": [], "operator": "AND" }, { "children": [ { "children": [], "cpe_match": [ { "cpe23Uri": "cpe:2.3:a:adobe:acrobat_dc:*:*:*:*:continuous:*:*:*", "cpe_name": [], "versionEndIncluding": "21.005.20058", "versionStartIncluding": "15.008.20082", "vulnerable": true } ], "operator": "OR" }, { "children": [], "cpe_match": [ { "cpe23Uri": "cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": false } ], "operator": "OR" } ], "cpe_match": [], "operator": "AND" }, { "children": [ { "children": [], "cpe_match": [ { "cpe23Uri": "cpe:2.3:a:adobe:acrobat_reader_dc:*:*:*:*:continuous:*:*:*", "cpe_name": [], "versionEndIncluding": "21.005.20060", "versionStartIncluding": "15.008.20082", "vulnerable": true } ], "operator": "OR" }, { "children": [], "cpe_match": [ { "cpe23Uri": "cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": false } ], "operator": "OR" } ], "cpe_match": [], "operator": "AND" }, { "children": [ { "children": [], "cpe_match": [ { "cpe23Uri": "cpe:2.3:a:adobe:acrobat_dc:*:*:*:*:continuous:*:*:*", "cpe_name": [], "versionEndIncluding": "21.005.20058", "versionStartIncluding": "15.008.20082", "vulnerable": true } ], "operator": "OR" }, { "children": [], "cpe_match": [ { "cpe23Uri": "cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": false } ], "operator": "OR" } ], "cpe_match": [], "operator": "AND" }, { "children": [ { "children": [], "cpe_match": [ { "cpe23Uri": "cpe:2.3:a:adobe:acrobat:*:*:*:*:classic:*:*:*", "cpe_name": [], "versionEndIncluding": "17.011.30199", "versionStartIncluding": "17.011.30059", "vulnerable": true }, { "cpe23Uri": "cpe:2.3:a:adobe:acrobat_reader:*:*:*:*:classic:*:*:*", "cpe_name": [], "versionEndIncluding": "17.011.30199", "versionStartIncluding": "17.011.30059", "vulnerable": true } ], "operator": "OR" }, { "children": [], "cpe_match": [ { "cpe23Uri": "cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": false }, { "cpe23Uri": "cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": false } ], "operator": "OR" } ], "cpe_match": [], "operator": "AND" }, { "children": [ { "children": [], "cpe_match": [ { "cpe23Uri": "cpe:2.3:a:adobe:acrobat:*:*:*:*:classic:*:*:*", "cpe_name": [], "versionEndIncluding": "20.004.30006", "versionStartIncluding": "20.001.30005", "vulnerable": true }, { "cpe23Uri": "cpe:2.3:a:adobe:acrobat_reader:*:*:*:*:classic:*:*:*", "cpe_name": [], "versionEndIncluding": "20.004.30006", "versionStartIncluding": "20.001.30005", "vulnerable": true } ], "operator": "OR" }, { "children": [], "cpe_match": [ { "cpe23Uri": "cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": false }, { "cpe23Uri": "cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": false } ], "operator": "OR" } ], "cpe_match": [], "operator": "AND" } ] }, "cve": { "CVE_data_meta": { "ASSIGNER": "psirt@adobe.com", "ID": "CVE-2021-39854" }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "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." } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "en", "value": "CWE-476" } ] } ] }, "references": { "reference_data": [ { "name": "https://helpx.adobe.com/security/products/acrobat/apsb21-55.html", "refsource": "MISC", "tags": [ "Release Notes", "Vendor Advisory" ], "url": "https://helpx.adobe.com/security/products/acrobat/apsb21-55.html" } ] } }, "impact": { "baseMetricV2": { "acInsufInfo": false, "cvssV2": { "accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 4.3, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P", "version": "2.0" }, "exploitabilityScore": 8.6, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "severity": "MEDIUM", "userInteractionRequired": true }, "baseMetricV3": { "cvssV3": { "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" }, "exploitabilityScore": 1.8, "impactScore": 3.6 } }, "lastModifiedDate": "2021-10-06T18:43Z", "publishedDate": "2021-09-29T16:15Z" } } }
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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.