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 Read vulnerability. An unauthenticated attacker could leverage this vulnerability to locally escalate privileges in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
Published 2021-09-30 15:15:07
Updated 2021-10-08 15:18:55
View at NVD,   CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2021-21089

0.11%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 43 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-21089

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
4.3
MEDIUM AV:N/AC:M/Au:N/C:P/I:N/A:N
8.6
2.9
NIST
3.3
LOW CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
1.8
1.4
Adobe Systems Incorporated

CWE ids for CVE-2021-21089

  • The product reads data past the end, or before the beginning, of the intended buffer.
    Assigned by: psirt@adobe.com (Primary)

References for CVE-2021-21089

Products affected by CVE-2021-21089

  • Adobe » Acrobat Dc » Classic Edition
    Versions from including (>=) 17.011.30158 and up to, including, (<=) 17.011.30188
    cpe:2.3:a:adobe:acrobat_dc:*:*:*:*:classic:*:*:*
    When used together with: Apple » Macos » Version: N/A
    When used together with: Microsoft » Windows » Version: N/A
  • Adobe » Acrobat Dc » Classic Edition
    Versions from including (>=) 20.001.30005 and up to, including, (<=) 20.001.30018
    cpe:2.3:a:adobe:acrobat_dc:*:*:*:*:classic:*:*:*
    When used together with: Apple » Macos » Version: N/A
    When used together with: Microsoft » Windows » Version: N/A
  • Adobe » Acrobat Dc » Continuous Edition
    Versions from including (>=) 20.006.20034 and up to, including, (<=) 20.013.20074
    cpe:2.3:a:adobe:acrobat_dc:*:*:*:*:continuous:*:*:*
    When used together with: Apple » Macos » Version: N/A
    When used together with: Microsoft » Windows » Version: N/A
  • Adobe » Acrobat Reader Dc » Continuous Edition
    Versions from including (>=) 20.006.20034 and up to, including, (<=) 20.013.20074
    cpe:2.3:a:adobe:acrobat_reader_dc:*:*:*:*:continuous:*:*:*
    When used together with: Apple » Macos » Version: N/A
    When used together with: Microsoft » Windows » Version: N/A
  • Adobe » Acrobat Reader Dc » Classic Edition
    Versions from including (>=) 17.011.30158 and up to, including, (<=) 17.011.30188
    cpe:2.3:a:adobe:acrobat_reader_dc:*:*:*:*:classic:*:*:*
    When used together with: Apple » Macos » Version: N/A
    When used together with: Microsoft » Windows » Version: N/A
  • Adobe » Acrobat Reader Dc » Classic Edition
    Versions from including (>=) 20.001.30005 and up to, including, (<=) 20.001.30018
    cpe:2.3:a:adobe:acrobat_reader_dc:*:*:*:*:classic:*:*:*
    When used together with: Apple » Macos » Version: N/A
    When used together with: Microsoft » Windows » Version: N/A
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