gsd-2021-39840
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 use-after-free vulnerability when processing AcroForms that could result in arbitrary code execution in the context of the current user. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.
Aliases
Aliases
{ "GSD": { "alias": "CVE-2021-39840", "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 use-after-free vulnerability when processing AcroForms that could result in arbitrary code execution in the context of the current user. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.", "id": "GSD-2021-39840" }, "gsd": { "metadata": { "exploitCode": "unknown", "remediation": "unknown", "reportConfidence": "confirmed", "type": "vulnerability" }, "osvSchema": { "aliases": [ "CVE-2021-39840" ], "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 use-after-free vulnerability when processing AcroForms that could result in arbitrary code execution in the context of the current user. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.", "id": "GSD-2021-39840", "modified": "2023-12-13T01:23:15.212337Z", "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-2021-39840", "STATE": "PUBLIC", "TITLE": "Adobe Acrobat Reader DC AcroForm Field Use-After-Free Remote Code Execution Vulnerability" }, "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 use-after-free vulnerability when processing AcroForms that could result in arbitrary code execution in the context of the current user. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file." } ] }, "impact": { "cvss": { "attackComplexity": "Low", "attackVector": "Local", "availabilityImpact": "High", "baseScore": 7.8, "baseSeverity": "High", "confidentialityImpact": "High", "integrityImpact": "High", "privilegesRequired": "None", "scope": "Unchanged", "userInteraction": "Required", "vectorString": "CVSS:3.0/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/apsb21-55.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:*:*:*:*: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" }, { "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 }, { "cpe23Uri": "cpe:2.3:a:adobe:acrobat_reader_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_dc:*:*:*:*:continuous:*:*:*", "cpe_name": [], "versionEndIncluding": "21.005.20060", "versionStartIncluding": "15.008.20082", "vulnerable": true }, { "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:*:*:*:*: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" } ] }, "cve": { "CVE_data_meta": { "ASSIGNER": "psirt@adobe.com", "ID": "CVE-2021-39840" }, "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 use-after-free vulnerability when processing AcroForms that could result in arbitrary code execution in the context of the current user. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file." } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "en", "value": "CWE-416" } ] } ] }, "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": 6.8, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "version": "2.0" }, "exploitabilityScore": 8.6, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "severity": "MEDIUM", "userInteractionRequired": true }, "baseMetricV3": { "cvssV3": { "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" }, "exploitabilityScore": 1.8, "impactScore": 5.9 } }, "lastModifiedDate": "2021-10-06T23:02Z", "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.