Vulnerability Name:

CVE-2021-44702 (CCN-216796)

Assigned:2021-12-07
Published:2022-01-11
Updated:2022-01-24
Summary:Acrobat Reader DC ActiveX Control versions 21.007.20099 (and earlier), 20.004.30017 (and earlier) and 17.011.30204 (and earlier) are affected by an Information Disclosure vulnerability. An unauthenticated attacker could leverage this vulnerability to obtain NTLMv2 credentials. Exploitation of this issue requires user interaction in that a victim must visit an attacker controlled web page.
CVSS v3 Severity:4.3 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N)
3.8 Low (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N/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): Low
Integrity (I): None
Availibility (A): None
7.4 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N)
6.4 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N/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): Changed
Impact Metrics:Confidentiality (C): High
Integrity (I): None
Availibility (A): None
CVSS v2 Severity:4.3 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:P/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): None
6.8 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:C/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Complete
Integrity (I): None
Availibility (A): None
Vulnerability Type:CWE-200
Vulnerability Consequences:Gain Privileges
References:Source: MITRE
Type: CNA
CVE-2021-44702

Source: XF
Type: UNKNOWN
adobe-reader-cve202144702-sec-bypass(216796)

Source: CCN
Type: Adobe Security Bulletin APSB22-01
Security update available for Adobe Acrobat and Reader

Source: MISC
Type: Patch, Vendor Advisory
https://helpx.adobe.com/security/products/acrobat/apsb22-01.html

Vulnerable Configuration:Configuration 1:
  • cpe:/a:adobe:acrobat_dc:*:*:*:*:continuous:*:*:* (Version >= 21.001.20149 and <= 21.007.20099)
  • OR cpe:/a:adobe:acrobat_reader_dc:*:*:*:*:continuous:*:*:* (Version >= 21.001.20149 and <= 21.007.20099)
  • AND
  • cpe:/o:microsoft:windows:-:*:*:*:*:*:*:*

    • Configuration 2:
  • cpe:/a:adobe:acrobat_dc:*:*:*:*:continuous:*:*:* (Version >= 21.001.20149 and <= 21.007.20099)
  • OR cpe:/a:adobe:acrobat_reader_dc:*:*:*:*:continuous:*:*:* (Version >= 21.001.20149 and <= 21.007.20099)
  • AND
  • cpe:/o:apple:macos:-:*:*:*:*:*:*:*

    • Configuration 3:
  • cpe:/a:adobe:acrobat:*:*:*:*:classic:*:*:* (Version >= 20.001.30005 and <= 20.004.30017)
  • OR cpe:/a:adobe:acrobat_reader:*:*:*:*:classic:*:*:* (Version >= 20.001.30005 and <= 20.004.30017)
  • AND
  • cpe:/o:apple:macos:-:*:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows:-:*:*:*:*:*:*:*

    • Configuration 4:
  • cpe:/a:adobe:acrobat:*:*:*:*:classic:*:*:* (Version >= 17.011.30180 and <= 17.011.30204)
  • OR cpe:/a:adobe:acrobat_reader:*:*:*:*:classic:*:*:* (Version >= 17.011.30180 and <= 17.011.30204)
  • AND
  • cpe:/o:apple:macos:-:*:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows:-:*:*:*:*:*:*:*

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