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[email protected]CVE-2021-21086

HistoryOct 03, 2022 - 12:00 a.m.

CVE-2021-21086

2022-10-0300:00:00

CWE-787

[email protected]

web.nvd.nist.gov

cve-2021-21086

acrobat reader dc

out-of-bounds write

cooltype library

arbitrary code execution

nvd

vulnerability

6.8 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

8.1 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

46.9%

JSON

Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and 2017.011.30188 (and earlier) are affected by an Out-of-bounds Write vulnerability in the CoolType library. An unauthenticated attacker could leverage this vulnerability to achieve arbitrary code execution 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

Vulners

NVD

Node

adobeacrobat_readerRange≤2020.013.20074

adobeacrobat_readerRange≤2020.001.30018

adobeacrobat_readerRange≤2017.011.30188

VendorProductVersionCPE
adobeacrobat_reader*cpe:2.3:a:adobe:acrobat_reader:*:*:*:*:*:*:*:*
adobeacrobat_reader*cpe:2.3:a:adobe:acrobat_reader:*:*:*:*:*:*:*:*
adobeacrobat_reader*cpe:2.3:a:adobe:acrobat_reader:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
adobe	acrobat_reader	*	cpe:2.3:a:adobe:acrobat_reader::::::::
adobe	acrobat_reader	*	cpe:2.3:a:adobe:acrobat_reader::::::::
adobe	acrobat_reader	*	cpe:2.3:a:adobe:acrobat_reader::::::::

CNA Affected

[
  {
    "product": "Acrobat Reader",
    "vendor": "Adobe",
    "versions": [
      {
        "lessThanOrEqual": "2020.013.20074",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      },
      {
        "lessThanOrEqual": "2020.001.30018",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      },
      {
        "lessThanOrEqual": "2017.011.30188",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      },
      {
        "lessThanOrEqual": "None",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]