CVE-2021-35986
Adobe Acrobat Pro DC getAnnot Type Confusion Information Disclosure 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 Type Confusion vulnerability. An unauthenticated attacker could leverage this vulnerability to read arbitrary system information 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 Type Confusion. Un atacante no autenticado podría aprovechar esta vulnerabilidad para leer información arbitraria del sistema 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 disclose sensitive information on affected installations of Adobe Acrobat Pro 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 getAnnots method. When parsing the nPage parameter, the process does not properly validate user-supplied data, which can result in a type confusion condition. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the current process.
CVSS Scores
SSVC
- Decision:-
Timeline
- 2021-06-30 CVE Reserved
- 2021-08-20 CVE Published
- 2024-09-16 CVE Updated
- 2024-09-17 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-843: Access of Resource Using Incompatible Type ('Type Confusion')
CAPEC
References (2)
| URL | Tag | Source |
|---|---|---|
| https://www.zerodayinitiative.com/advisories/ZDI-21-1145 | Third Party Advisory |
|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://helpx.adobe.com/security/products/acrobat/apsb21-51.html | 2021-11-06 |
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
| ||||||