Vulnerability Name:

CVE-2021-28561 (CCN-201315)

Assigned:2021-05-11
Published:2021-05-11
Updated:2022-07-21
Summary:Acrobat Reader DC versions versions 2021.001.20150 (and earlier), 2020.001.30020 (and earlier) and 2017.011.30194 (and earlier) are affected by a memory corruption 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.
CVSS v3 Severity:8.8 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
7.7 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
7.8 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
6.8 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
CVSS v2 Severity:6.8 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
6.8 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Type:CWE-787
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2021-28561

Source: XF
Type: UNKNOWN
adobe-reader-cve202128561--bo(201315)

Source: CCN
Type: Adobe Security Bulletin APSB21-29
Security update available for Adobe Acrobat and Reader

Source: MISC
Type: Release Notes, Vendor Advisory
https://helpx.adobe.com/security/products/acrobat/apsb21-29.html

Vulnerable Configuration:Configuration 1:
  • cpe:/a:adobe:acrobat_reader_dc:*:*:*:*:continuous:*:*:* (Version >= 15.008.20082 and <= 21.001.20150)
  • OR cpe:/a:adobe:acrobat_dc:*:*:*:*:continuous:*:*:* (Version >= 15.008.20082 and <= 21.001.20150)
  • AND
  • cpe:/o:microsoft:windows:-:*:*:*:*:*:*:*

    • Configuration 2:
  • cpe:/a:adobe:acrobat_reader:*:*:*:*:classic:*:*:* (Version >= 20.001.30005 and <= 20.001.30020)
  • OR cpe:/a:adobe:acrobat:*:*:*:*:classic:*:*:* (Version >= 20.001.30005 and <= 20.001.30020)
  • OR cpe:/a:adobe:acrobat_reader:*:*:*:*:classic:*:*:* (Version >= 17.011.30059 and <= 17.011.30194)
  • OR cpe:/a:adobe:acrobat:*:*:*:*:classic:*:*:* (Version >= 17.011.30059 and <= 17.011.30194)
  • AND
  • cpe:/o:microsoft:windows:-:*:*:*:*:*:*:*
  • OR cpe:/o:apple:macos:-:*:*:*:*:*:*:*

    • Configuration 3:
  • cpe:/a:adobe:acrobat_reader_dc:*:*:*:*:continuous:*:*:* (Version >= 15.008.20082 and <= 21.001.20150)
  • OR cpe:/a:adobe:acrobat_dc:*:*:*:*:continuous:*:*:* (Version >= 15.008.20082 and <= 21.001.20150)
  • AND
  • cpe:/o:apple:macos:-:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    adobe acrobat reader dc *
    adobe acrobat dc *
    microsoft windows -
    adobe acrobat reader *
    adobe acrobat *
    adobe acrobat reader *
    adobe acrobat *
    microsoft windows -
    apple macos -
    adobe acrobat reader dc *
    adobe acrobat dc *
    apple macos -