CVE-2021-35988

Acrobat Reader DC versions 2021.005.20054 (and earlier), 2020.004.30005 (and earlier) and 2017.011.30197 (and earlier) are affected by an Out-of-bounds Read vulnerability. An unauthenticated attacker could leverage this vulnerability to disclose arbitrary memory information in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

CVSS v3 3.3 LOW
CVSS v2.0 4.3 MEDIUM

3.3^/10

CVSS v3 : LOW

Vector :

Exploitability : 1.8 / Impact : 1.4

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

4.3^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:M/Au:N/C:P/I:N/A:N

Exploitability : 8.6 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

References

Link	Resource
https://helpx.adobe.com/security/products/acrobat/apsb21-51.html	Release Notes Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:adobe:acrobat_dc:::::continuous:::*
	cpe:2.3:a:adobe:acrobat_dc:::::classic:::*
	cpe:2.3:a:adobe:acrobat_dc:::::classic:::*
	cpe:2.3:a:adobe:acrobat_reader_dc:::::continuous:::*
	cpe:2.3:a:adobe:acrobat_reader_dc:::::classic:::*
	cpe:2.3:a:adobe:acrobat_reader_dc:::::classic:::*

History

01 Sep 2021, 01:54

Type	Values Removed	Values Added
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : 4.3 v3 : 3.3
CPE		cpe:2.3:a:adobe:acrobat_reader_dc:::::classic:::* cpe:2.3:a:adobe:acrobat_reader_dc:::::continuous:::* cpe:2.3:a:adobe:acrobat_dc:::::continuous:::* cpe:2.3:a:adobe:acrobat_dc:::::classic:::*
References	~~(MISC) https://helpx.adobe.com/security/products/acrobat/apsb21-51.html -~~	(MISC) https://helpx.adobe.com/security/products/acrobat/apsb21-51.html - Release Notes, Vendor Advisory

20 Aug 2021, 19:18

Type	Values Removed	Values Added
New CVE

Information

Published : 2021-08-20 19:15

Updated : 2023-12-10 13:55

NVD link : CVE-2021-35988

Mitre link : CVE-2021-35988

CVE.ORG link : CVE-2021-35988

JSON object : View

Products Affected

adobe

acrobat_reader_dc
acrobat_dc

CWE

CWE-125

Out-of-bounds Read

{"id": "CVE-2021-35988", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 4.3, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:P/I:N/A:N", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "MEDIUM", "availabilityImpact": "NONE", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": true}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 3.3, "attackVector": "LOCAL", "baseSeverity": "LOW", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 1.4, "exploitabilityScore": 1.8}, {"type": "Secondary", "source": "psirt@adobe.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 3.3, "attackVector": "LOCAL", "baseSeverity": "LOW", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 1.4, "exploitabilityScore": 1.8}]}, "published": "2021-08-20T19:15:10.103", "references": [{"url": "https://helpx.adobe.com/security/products/acrobat/apsb21-51.html", "tags": ["Release Notes", "Vendor Advisory"], "source": "psirt@adobe.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "psirt@adobe.com", "description": [{"lang": "en", "value": "CWE-125"}]}], "descriptions": [{"lang": "en", "value": "Acrobat Reader DC versions 2021.005.20054 (and earlier), 2020.004.30005 (and earlier) and 2017.011.30197 (and earlier) are affected by an Out-of-bounds Read vulnerability. An unauthenticated attacker could leverage this vulnerability to disclose arbitrary memory information 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": "Acrobat Reader DC versiones 2021.005.20054 (y anteriores), 2020.004.30005 (y anteriores), y 2017.011.30197 (y anteriores), est\u00e1n afectadas por una vulnerabilidad de lectura fuera de l\u00edmites. Un atacante no autenticado podr\u00eda aprovechar esta vulnerabilidad para divulgar informaci\u00f3n de memoria arbitraria en el contexto del usuario actual. Una explotaci\u00f3n de este problema requiere una interacci\u00f3n del usuario, ya que la v\u00edctima debe abrir un archivo malicioso."}], "lastModified": "2021-09-01T01:54:26.133", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:adobe:acrobat_dc:*:*:*:*:continuous:*:*:*", "vulnerable": true, "matchCriteriaId": "4A62CC78-7097-4825-8B08-2212B11E1F18", "versionEndIncluding": "21.005.20054", "versionStartIncluding": "15.008.20082"}, {"criteria": "cpe:2.3:a:adobe:acrobat_dc:*:*:*:*:classic:*:*:*", "vulnerable": true, "matchCriteriaId": "7FDBB717-4658-426A-A98A-DA88EC0515B5", "versionEndIncluding": "17.011.30197", "versionStartIncluding": "17.011.30059"}, {"criteria": "cpe:2.3:a:adobe:acrobat_dc:*:*:*:*:classic:*:*:*", "vulnerable": true, "matchCriteriaId": "08E31636-C406-4C4B-8F1D-E9DFD5572FF9", "versionEndIncluding": "20.004.30005", "versionStartIncluding": "20.001.30005"}, {"criteria": "cpe:2.3:a:adobe:acrobat_reader_dc:*:*:*:*:continuous:*:*:*", "vulnerable": true, "matchCriteriaId": "1EC1FC1B-592F-4635-A71C-1DCFAD3063DC", "versionEndIncluding": "21.005.20054", "versionStartIncluding": "15.008.20082"}, {"criteria": "cpe:2.3:a:adobe:acrobat_reader_dc:*:*:*:*:classic:*:*:*", "vulnerable": true, "matchCriteriaId": "D92E01B2-E4D3-414F-8852-294499AE4226", "versionEndIncluding": "17.011.30197", "versionStartIncluding": "17.011.30059"}, {"criteria": "cpe:2.3:a:adobe:acrobat_reader_dc:*:*:*:*:classic:*:*:*", "vulnerable": true, "matchCriteriaId": "B78681E4-7FA9-4D05-9A5B-1B19097B5C41", "versionEndIncluding": "20.004.30005", "versionStartIncluding": "20.001.30005"}], "operator": "OR"}]}], "sourceIdentifier": "psirt@adobe.com"}