CVE-2021-28634

Published Aug 20, 2021

Last updated 3 years ago

CVSS high 8.2

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 Improper Neutralization of Special Elements used in an OS Command. An authenticated attacker could leverage this vulnerability to achieve arbitrary code execution on the host machine 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: 8.2
Impact score: 6
Exploitability score: 1.5
Vector string: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
Severity: HIGH

CVSS 2.0

Type: Primary
Base score: 8.5
Impact score: 10
Exploitability score: 6.8
Vector string: AV:N/AC:M/Au:S/C:C/I:C/A:C

Weaknesses

psirt@adobe.com: CWE-78

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