CVE-2021-28639

Published Aug 20, 2021

Last updated 3 years ago

CVSS high 7.8

Overview

Description: Acrobat Reader DC versions 2021.005.20054 (and earlier), 2020.004.30005 (and earlier) and 2017.011.30197 (and earlier) are affected by an Use-after-free vulnerability. 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.
Source: psirt@adobe.com
NVD status: Analyzed

Risk scores

CVSS 3.1

Type: Primary
Base score: 7.8
Impact score: 5.9
Exploitability score: 1.8
Vector string: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Severity: HIGH

CVSS 2.0

Type: Primary
Base score: 9.3
Impact score: 10
Exploitability score: 8.6
Vector string: AV:N/AC:M/Au:N/C:C/I:C/A:C

Weaknesses

psirt@adobe.com: CWE-416

Hype score: Not currently trending

Configurations

[
  {
    "nodes": [
      {
        "negate": false,
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:a:adobe:acrobat_dc:*:*:*:*:continuous:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "4A62CC78-7097-4825-8B08-2212B11E1F18",
            "versionEndIncluding": "21.005.20054",
            "versionStartIncluding": "15.008.20082"
          },
          {
            "criteria": "cpe:2.3:a:adobe:acrobat_dc:*:*:*:*:classic:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "7FDBB717-4658-426A-A98A-DA88EC0515B5",
            "versionEndIncluding": "17.011.30197",
            "versionStartIncluding": "17.011.30059"
          },
          {
            "criteria": "cpe:2.3:a:adobe:acrobat_dc:*:*:*:*:classic:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "08E31636-C406-4C4B-8F1D-E9DFD5572FF9",
            "versionEndIncluding": "20.004.30005",
            "versionStartIncluding": "20.001.30005"
          },
          {
            "criteria": "cpe:2.3:a:adobe:acrobat_reader_dc:*:*:*:*:continuous:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "1EC1FC1B-592F-4635-A71C-1DCFAD3063DC",
            "versionEndIncluding": "21.005.20054",
            "versionStartIncluding": "15.008.20082"
          },
          {
            "criteria": "cpe:2.3:a:adobe:acrobat_reader_dc:*:*:*:*:classic:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "D92E01B2-E4D3-414F-8852-294499AE4226",
            "versionEndIncluding": "17.011.30197",
            "versionStartIncluding": "17.011.30059"
          },
          {
            "criteria": "cpe:2.3:a:adobe:acrobat_reader_dc:*:*:*:*:classic:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "B78681E4-7FA9-4D05-9A5B-1B19097B5C41",
            "versionEndIncluding": "20.004.30005",
            "versionStartIncluding": "20.001.30005"
          }
        ],
        "operator": "OR"
      }
    ]
  }
]

Overview

Risk scores

CVSS 3.1

CVSS 2.0

Weaknesses

Social media

Configurations

References