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AdobeCVE-2021-39860

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

CVE-2021-39860

2021-09-2916:15:11

CWE-476

adobe

web.nvd.nist.gov

acrobat pro dc

cve-2021-39860

null pointer

vulnerability

user memory disclosure

unauthenticated attacker

nvd

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

CVSS3

5.5

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

AI Score

5.7

Confidence

High

EPSS

0.001

Percentile

43.9%

JSON

Acrobat Pro 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 disclose sensitive user memory. 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": "2020.004.30006",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      },
      {
        "lessThanOrEqual": "2017.011.30199",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      },
      {
        "lessThanOrEqual": "2021.005.20060",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      },
      {
        "lessThanOrEqual": "None",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]