// For flags

CVE-2021-35985

Adobe Acrobat Pro DC PDFLibTool Null Pointer Dereference Bug

Severity Score

5.5
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

Acrobat Reader DC versions 2021.005.20054 (and earlier), 2020.004.30005 (and earlier) and 2017.011.30197 (and earlier) are affected by a Null pointer dereference vulnerability. An unauthenticated attacker could leverage this vulnerability to achieve an application denial-of-service in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

Acrobat Reader DC versiones 2021.005.20054 (y anteriores), 2020.004.30005 (y anteriores), y 2017.011.30197 (y anteriores), están afectadas por una vulnerabilidad de desreferencia de puntero Null. Un atacante no autenticado podría aprovechar esta vulnerabilidad para lograr una denegación de servicio de la aplicación en el contexto del usuario actual. Una explotación de este problema requiere una interacción del usuario, ya que la víctima debe abrir un archivo malicioso.

*Credits: N/A
CVSS Scores
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Attack Vector
Network
Attack Complexity
Medium
Authentication
None
Confidentiality
None
Integrity
None
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2021-06-30 CVE Reserved
  • 2021-08-20 CVE Published
  • 2024-02-17 EPSS Updated
  • 2024-09-16 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-476: NULL Pointer Dereference
CAPEC
References (1)
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Adobe
Search vendor "Adobe"
Acrobat Dc
Search vendor "Adobe" for product "Acrobat Dc"
>= 15.008.20082 <= 21.005.20054
Search vendor "Adobe" for product "Acrobat Dc" and version " >= 15.008.20082 <= 21.005.20054"
continuous
Affected
Adobe
Search vendor "Adobe"
Acrobat Dc
Search vendor "Adobe" for product "Acrobat Dc"
>= 17.011.30059 <= 17.011.30197
Search vendor "Adobe" for product "Acrobat Dc" and version " >= 17.011.30059 <= 17.011.30197"
classic
Affected
Adobe
Search vendor "Adobe"
Acrobat Dc
Search vendor "Adobe" for product "Acrobat Dc"
>= 20.001.30005 <= 20.004.30005
Search vendor "Adobe" for product "Acrobat Dc" and version " >= 20.001.30005 <= 20.004.30005"
classic
Affected
Adobe
Search vendor "Adobe"
Acrobat Reader Dc
Search vendor "Adobe" for product "Acrobat Reader Dc"
>= 15.008.20082 <= 21.005.20054
Search vendor "Adobe" for product "Acrobat Reader Dc" and version " >= 15.008.20082 <= 21.005.20054"
continuous
Affected
Adobe
Search vendor "Adobe"
Acrobat Reader Dc
Search vendor "Adobe" for product "Acrobat Reader Dc"
>= 17.011.30059 <= 17.011.30197
Search vendor "Adobe" for product "Acrobat Reader Dc" and version " >= 17.011.30059 <= 17.011.30197"
classic
Affected
Adobe
Search vendor "Adobe"
Acrobat Reader Dc
Search vendor "Adobe" for product "Acrobat Reader Dc"
>= 20.001.30005 <= 20.004.30005
Search vendor "Adobe" for product "Acrobat Reader Dc" and version " >= 20.001.30005 <= 20.004.30005"
classic
Affected