The version of Adobe Reader installed on the remote Windows host is a version prior to 2017.011.30190, 2020.001.30020, or 2021.001.20135. It is, therefore, affected by multiple vulnerabilities.

  - Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and     2017.011.30188 (and earlier) are affected by a 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.
    (CVE-2021-21021, CVE-2021-21028, CVE-2021-21033, CVE-2021-21035, CVE-2021-21039, CVE-2021-21040,     CVE-2021-21088)

  - Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and     2017.011.30188 (and earlier) are affected by a Memory corruption vulnerability when parsing a specially     crafted PDF file. 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. (CVE-2021-21058, CVE-2021-21059, CVE-2021-21062, CVE-2021-21063)

  - 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 memory corruption vulnerability. An unauthenticated     attacker could leverage this vulnerability to cause an application denial-of-service. Exploitation of this     issue requires user interaction in that a victim must open a malicious file. (CVE-2021-21046)

  - Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and     2017.011.30188 (and earlier) are affected by a heap-based buffer overflow 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. (CVE-2021-21017)

  - Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and     2017.011.30188 (and earlier) are affected by a Path Traversal 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.
    (CVE-2021-21037)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Detections

Analytics

Adobe Reader < 2017.011.30190 / 2020.001.30020 / 2021.001.20135 Multiple Vulnerabilities (APSB21-09)

high Nessus Plugin ID 146422

Version 1.22

Version 1.21

Version 1.20

Version 1.19

Version 1.17

Version 1.16

Version 1.22 Nov 20, 2024, 8:07 PM CVSS metrics ("Cvssv4 score" set to 0.0) CVSSv2 severity (based on None, severity decreased from "High" to "Low") Plugin metadata Plugin Feed: 202411202007
Version 1.21 Oct 22, 2024, 8:01 AM Exploit attributes ("Exploited by malware" set to "True") Plugin Feed: 202410220801
Version 1.20 Oct 21, 2024, 9:21 PM CVE (set "CVE" coverage to "CVE-2021-21017,CVE-2021-21021,CVE-2021-21028,CVE-2021-21033,CVE-2021-21034,CVE-2021-21035,CVE-2021-21036,CVE-2021-21037,CVE-2021-21038,CVE-2021-21039,CVE-2021-21040,CVE-2021-21041,CVE-2021-21042,CVE-2021-21044,CVE-2021-21045,CVE-2021-21046,CVE-2021-21057,CVE-2021-21058,CVE-2021-21059,CVE-2021-21060,CVE-2021-21061,CVE-2021-21062,CVE-2021-21063,CVE-2021-21086,CVE-2021-21088,CVE-2021-21089,CVE-2021-28545,CVE-2021-28546,CVE-2021-40723") CVSS metrics ("Cvssv4 score" set to 0.0) CVSSv2 severity (based on None, severity decreased from "High" to "Low") Exploit attributes ("Exploited by malware" changed from "True" to none) Plugin metadata Plugin Feed: 202410212121
Version 1.19 Sep 13, 2024, 10:17 AM Exploit attributes ("Exploited by malware" set to "True") Plugin Feed: 202409131017
Version 1.17 Jan 22, 2024, 3:14 PM CVSS temporal metrics ("CVSSv2 temporal vector" set to "CVSS2#E:H/RL:OF/RC:C". "CVSSv3 temporal vector" set to "CVSS:3.0/E:H/RL:O/RC:C") Exploit attributes ("Exploited by malware" set to "True") Plugin Feed: 202401221514
Version 1.16 Apr 25, 2023, 11:11 PM CVSS temporal metrics (Adjust exploitability metrics for CISA KEV vulnerabilities) Plugin Feed: 202304252311