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cve[email protected]CVE-2021-45063
HistoryJan 14, 2022 - 8:15 p.m.

CVE-2021-45063

2022-01-1420:15:14
CWE-416
web.nvd.nist.gov
35
acrobat reader dc
cve-2021-45063
vulnerability
use-after-free
memory disclosure
aslr
nvd
security

5.5 Medium

CVSS3

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

4.9 Medium

AI Score

Confidence

High

4.3 Medium

CVSS2

Access Vector

Access Complexity

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

0.005 Low

EPSS

Percentile

77.0%

Acrobat Reader DC version 21.007.20099 (and earlier), 20.004.30017 (and earlier) and 17.011.30204 (and earlier) are affected by a use-after-free vulnerability in the processing of Format event actions that could lead to disclosure of sensitive memory. 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_readerRange21.007.20099
OR
adobeacrobat_readerRange20.004.30017
OR
adobeacrobat_readerRange17.011.30204
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:*:*:*:*:*:*:*:*

CNA Affected

[
  {
    "product": "Acrobat Reader",
    "vendor": "Adobe",
    "versions": [
      {
        "lessThanOrEqual": "21.007.20099",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      },
      {
        "lessThanOrEqual": "20.004.30017",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      },
      {
        "lessThanOrEqual": "17.011.30204",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      },
      {
        "lessThanOrEqual": "None",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]

5.5 Medium

CVSS3

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

4.9 Medium

AI Score

Confidence

High

4.3 Medium

CVSS2

Access Vector

Access Complexity

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

0.005 Low

EPSS

Percentile

77.0%