CVE-2021-21057
Acrobat Reader DC Invalid Memory Read Due To An Uninitialized Pointer
Severity Score
6.6
*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 versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and 2017.011.30188 (and earlier) are affected by a null pointer dereference vulnerability when parsing a specially crafted PDF file. An unauthenticated attacker could leverage this vulnerability to achieve 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 2020.013.20074 (y anteriores), versiones 2020.001.30018 (y anteriores) y versiones 2017.011.30188 (y anteriores), están afectadas por una vulnerabilidad de desreferencia del puntero null cuando analiza un archivo PDF especialmente diseñado. Un atacante no autenticado podría aprovechar esta vulnerabilidad para lograr la denegación de servicio 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
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2020-12-18 CVE Reserved
- 2021-02-11 CVE Published
- 2023-09-18 EPSS Updated
- 2024-09-17 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-476: NULL Pointer Dereference
CAPEC
References (1)
| URL | Tag | Source |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://helpx.adobe.com/security/products/acrobat/apsb21-09.html | 2021-09-08 |
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 Search vendor "Adobe" for product "Acrobat" | >= 17.0 <= 17.011.30188 Search vendor "Adobe" for product "Acrobat" and version " >= 17.0 <= 17.011.30188" | classic |
Affected
| in | Apple Search vendor "Apple" | Macos Search vendor "Apple" for product "Macos" | - | - |
Safe
|
| Adobe Search vendor "Adobe" | Acrobat Search vendor "Adobe" for product "Acrobat" | >= 17.0 <= 17.011.30188 Search vendor "Adobe" for product "Acrobat" and version " >= 17.0 <= 17.011.30188" | classic |
Affected
| in | Microsoft Search vendor "Microsoft" | Windows Search vendor "Microsoft" for product "Windows" | - | - |
Safe
|
| Adobe Search vendor "Adobe" | Acrobat Search vendor "Adobe" for product "Acrobat" | >= 20.0 <= 20.001.30018 Search vendor "Adobe" for product "Acrobat" and version " >= 20.0 <= 20.001.30018" | classic |
Affected
| in | Apple Search vendor "Apple" | Macos Search vendor "Apple" for product "Macos" | - | - |
Safe
|
| Adobe Search vendor "Adobe" | Acrobat Search vendor "Adobe" for product "Acrobat" | >= 20.0 <= 20.001.30018 Search vendor "Adobe" for product "Acrobat" and version " >= 20.0 <= 20.001.30018" | classic |
Affected
| in | Microsoft Search vendor "Microsoft" | Windows Search vendor "Microsoft" for product "Windows" | - | - |
Safe
|
| Adobe Search vendor "Adobe" | Acrobat Dc Search vendor "Adobe" for product "Acrobat Dc" | <= 20.013.20074 Search vendor "Adobe" for product "Acrobat Dc" and version " <= 20.013.20074" | continuous |
Affected
| in | Apple Search vendor "Apple" | Macos Search vendor "Apple" for product "Macos" | - | - |
Safe
|
| Adobe Search vendor "Adobe" | Acrobat Dc Search vendor "Adobe" for product "Acrobat Dc" | <= 20.013.20074 Search vendor "Adobe" for product "Acrobat Dc" and version " <= 20.013.20074" | continuous |
Affected
| in | Microsoft Search vendor "Microsoft" | Windows Search vendor "Microsoft" for product "Windows" | - | - |
Safe
|
| Adobe Search vendor "Adobe" | Acrobat Reader Search vendor "Adobe" for product "Acrobat Reader" | >= 17.0 <= 17.011.30188 Search vendor "Adobe" for product "Acrobat Reader" and version " >= 17.0 <= 17.011.30188" | classic |
Affected
| in | Apple Search vendor "Apple" | Macos Search vendor "Apple" for product "Macos" | - | - |
Safe
|
| Adobe Search vendor "Adobe" | Acrobat Reader Search vendor "Adobe" for product "Acrobat Reader" | >= 17.0 <= 17.011.30188 Search vendor "Adobe" for product "Acrobat Reader" and version " >= 17.0 <= 17.011.30188" | classic |
Affected
| in | Microsoft Search vendor "Microsoft" | Windows Search vendor "Microsoft" for product "Windows" | - | - |
Safe
|
| Adobe Search vendor "Adobe" | Acrobat Reader Search vendor "Adobe" for product "Acrobat Reader" | >= 20.0 <= 20.001.300183 Search vendor "Adobe" for product "Acrobat Reader" and version " >= 20.0 <= 20.001.300183" | classic |
Affected
| in | Apple Search vendor "Apple" | Macos Search vendor "Apple" for product "Macos" | - | - |
Safe
|
| Adobe Search vendor "Adobe" | Acrobat Reader Search vendor "Adobe" for product "Acrobat Reader" | >= 20.0 <= 20.001.300183 Search vendor "Adobe" for product "Acrobat Reader" and version " >= 20.0 <= 20.001.300183" | classic |
Affected
| in | Microsoft Search vendor "Microsoft" | Windows Search vendor "Microsoft" for product "Windows" | - | - |
Safe
|
| Adobe Search vendor "Adobe" | Acrobat Reader Dc Search vendor "Adobe" for product "Acrobat Reader Dc" | <= 20.013.20074 Search vendor "Adobe" for product "Acrobat Reader Dc" and version " <= 20.013.20074" | continuous |
Affected
| in | Apple Search vendor "Apple" | Macos Search vendor "Apple" for product "Macos" | - | - |
Safe
|
| Adobe Search vendor "Adobe" | Acrobat Reader Dc Search vendor "Adobe" for product "Acrobat Reader Dc" | <= 20.013.20074 Search vendor "Adobe" for product "Acrobat Reader Dc" and version " <= 20.013.20074" | continuous |
Affected
| in | Microsoft Search vendor "Microsoft" | Windows Search vendor "Microsoft" for product "Windows" | - | - |
Safe
|