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[email protected]CVE-2021-21042

HistoryFeb 11, 2021 - 8:15 p.m.

CVE-2021-21042

2021-02-1120:15:15

CWE-125

[email protected]

web.nvd.nist.gov

cve-2021-21042

acrobat reader dc

out-of-bounds read

vulnerability

memory disclosure

aslr bypass

4.3 Medium

CVSS2

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

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

6.8 Medium

AI Score

Confidence

High

0.048 Low

EPSS

Percentile

92.8%

JSON

Acrobat Reader DC versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and 2017.011.30188 (and earlier) are affected by an Out-of-bounds Read vulnerability that could lead to arbitrary disclosure of information in the memory stack. An attacker could leverage this vulnerability to bypass mitigations such as ASLR. 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"
      }
    ]
  }
]