CVE-2021-21017

KEV
Published: Feb 11, 2021 Last Modified: Ott 23, 2025
ExploitDB:
Other exploit source:
Google Dorks:
HIGH 8,8
Source: [email protected]
Attack Vector: network
Attack Complexity: low
Privileges Required: none
User Interaction: required
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
MEDIUM 6,8
Source: [email protected]
Access Vector: network
Access Complexity: medium
Authentication: none
Confidentiality: partial
Integrity: partial
Availability: partial

Description

AI Translation Available

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.

EPSS (Exploit Prediction Scoring System)

Trend Analysis

EPSS (Exploit Prediction Scoring System)

Prevede la probabilità di sfruttamento basata su intelligence sulle minacce e sulle caratteristiche della vulnerabilità.

EPSS Score
0,9064
Percentile
1,0th
Updated

EPSS Score Trend (Last 90 Days)

122

Heap-based Buffer Overflow

Draft
Abstraction: Variant Structure: Simple
Common Consequences
Security Scopes Affected:
Availability Integrity Confidentiality Access Control Other
Potential Impacts:
Dos: Crash, Exit, Or Restart Dos: Resource Consumption (Cpu) Dos: Resource Consumption (Memory) Execute Unauthorized Code Or Commands Bypass Protection Mechanism Modify Memory Other
Applicable Platforms
Languages: C, C++, Memory-Unsafe
Likelihood of Exploit: High
View CWE Details
787

Out-of-bounds Write

Draft
Abstraction: Base Structure: Simple
Common Consequences
Security Scopes Affected:
Integrity Availability Other
Potential Impacts:
Modify Memory Execute Unauthorized Code Or Commands Dos: Crash, Exit, Or Restart Unexpected State
Applicable Platforms
Languages: Assembly, C, C++, Memory-Unsafe
Technologies: ICS/OT
Likelihood of Exploit: High
View CWE Details
Application

Acrobat by Adobe

Product Information
Vendor Adobe
Product Acrobat
Version Range Affected
From 20.0 (inclusive)
To 20.001.30018 (inclusive)
cpe:2.3:a:adobe:acrobat:*:*:*:*:classic:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Acrobat Reader by Adobe

Product Information
Vendor Adobe
Product Acrobat Reader
Version Range Affected
From 17.0 (inclusive)
To 17.011.30188 (inclusive)
cpe:2.3:a:adobe:acrobat_reader:*:*:*:*:classic:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Acrobat Reader by Adobe

Product Information
Vendor Adobe
Product Acrobat Reader
Version Range Affected
From 20.0 (inclusive)
To 20.001.300183 (inclusive)
cpe:2.3:a:adobe:acrobat_reader:*:*:*:*:classic:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Acrobat Dc by Adobe

Product Information
Vendor Adobe
Product Acrobat Dc
Version Range Affected
To 20.013.20074 (inclusive)
cpe:2.3:a:adobe:acrobat_dc:*:*:*:*:continuous:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Acrobat by Adobe

Product Information
Vendor Adobe
Product Acrobat
Version Range Affected
From 17.0 (inclusive)
To 17.011.30188 (inclusive)
cpe:2.3:a:adobe:acrobat:*:*:*:*:classic:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Acrobat Reader Dc by Adobe

Product Information
Vendor Adobe
Product Acrobat Reader Dc
Version Range Affected
To 20.013.20074 (inclusive)
cpe:2.3:a:adobe:acrobat_reader_dc:*:*:*:*:continuous:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
https://www.cisa.gov/known-exploited-vulnerabilities-catalo…
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021…
https://helpx.adobe.com/security/products/acrobat/apsb21-09…
https://helpx.adobe.com/security/products/acrobat/apsb21-09.html
https://helpx.adobe.com/security/products/acrobat/apsb21-09…
https://helpx.adobe.com/security/products/acrobat/apsb21-09.html