CVE-2021-35983
Adobe Acrobat Reader DC AcroForm Use-After-Free Remote Code Execution Vulnerability
Severity Score
Exploit Likelihood
Affected Versions
Public Exploits
0Exploited in Wild
-Decision
Descriptions
Acrobat Reader DC versions 2021.005.20054 (and earlier), 2020.004.30005 (and earlier) and 2017.011.30197 (and earlier) are affected by an 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.
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 uso de memoria previamente liberada. Un atacante no autenticado podría aprovechar esta vulnerabilidad para lograr una ejecución de código arbitrario 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.
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Adobe Acrobat Reader DC. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.
The specific flaw exists within the processing of AcroForms. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process.
CVSS Scores
SSVC
- Decision:-
Timeline
- 2021-06-30 CVE Reserved
- 2021-07-15 CVE Published
- 2024-09-17 CVE Updated
- 2024-11-21 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-416: Use After Free
CAPEC
References (1)
| URL | Tag | Source |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://helpx.adobe.com/security/products/acrobat/apsb21-51.html | 2021-09-01 |
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
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