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AdobeCVE-2021-39852

HistorySep 29, 2021 - 4:15 p.m.

CVE-2021-39852

2021-09-2916:15:10

CWE-476

adobe

web.nvd.nist.gov

cve-2021-39852

acrobat reader dc

null pointer dereference

vulnerability

application dos

nvd

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

5.5

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

AI Score

5.8

Confidence

High

EPSS

0.001

Percentile

30.8%

JSON

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.

Affected configurations

Nvd

Vulners

Node

adobeacrobatRange17.011.30059–17.011.30199classic

adobeacrobat_readerRange17.011.30059–17.011.30199classic

AND

applemacosMatch-

microsoftwindowsMatch-

Node

adobeacrobatRange20.001.30005–20.004.30006classic

adobeacrobat_readerRange20.001.30005–20.004.30006classic

AND

applemacosMatch-

microsoftwindowsMatch-

Node

adobeacrobat_dcRange15.008.20082–21.005.20058continuous

adobeacrobat_reader_dcRange15.008.20082–21.005.20058continuous

AND

applemacosMatch-

Node

adobeacrobat_dcRange15.008.20082–21.005.20060continuous

adobeacrobat_reader_dcRange15.008.20082–21.005.20060continuous

AND

microsoftwindowsMatch-

VendorProductVersionCPE
adobeacrobat*cpe:2.3:a:adobe:acrobat:*:*:*:*:classic:*:*:*
adobeacrobat_reader*cpe:2.3:a:adobe:acrobat_reader:*:*:*:*:classic:*:*:*
applemacos-cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*
microsoftwindows-cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*
adobeacrobat_dc*cpe:2.3:a:adobe:acrobat_dc:*:*:*:*:continuous:*:*:*
adobeacrobat_reader_dc*cpe:2.3:a:adobe:acrobat_reader_dc:*:*:*:*:continuous:*:*:*

Vendor	Product	Version	CPE
adobe	acrobat	*	cpe:2.3:a:adobe:acrobat:::::classic:::*
adobe	acrobat_reader	*	cpe:2.3:a:adobe:acrobat_reader:::::classic:::*
apple	macos	-	cpe:2.3:o:apple:macos:-:::::::*
microsoft	windows	-	cpe:2.3:o:microsoft:windows:-:::::::*
adobe	acrobat_dc	*	cpe:2.3:a:adobe:acrobat_dc:::::continuous:::*
adobe	acrobat_reader_dc	*	cpe:2.3:a:adobe:acrobat_reader_dc:::::continuous:::*

CNA Affected

[
  {
    "product": "Acrobat Reader",
    "vendor": "Adobe",
    "versions": [
      {
        "lessThanOrEqual": "DC 2021 July",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      },
      {
        "lessThanOrEqual": "20.0-Classic 2021 July",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      },
      {
        "lessThanOrEqual": "17.0-Classic 2021 July",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      },
      {
        "lessThanOrEqual": "None",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]