// For flags

CVE-2021-28557

Adobe Acrobat Reader out-of-bounds read in PDFLibTool could lead to information exposure

Severity Score

4.3
*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 2021.001.20150 (and earlier), 2020.001.30020 (and earlier) and 2017.011.30194 (and earlier) are affected by an Out-of-bounds Read vulnerability. An unauthenticated attacker could leverage this vulnerability to leak sensitive 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 2021.001.20150 (y anteriores), versiones 2020.001.30020 (y anteriores) y versiones 2017.011.30194 (y anteriores), están afectadas por una vulnerabilidad de lectura fuera de límites. Un atacante no autenticado podría aprovechar esta vulnerabilidad para filtrar información confidencial del sistema en el contexto del usuario actual. Es requerida una interacción del usuario para explotar este problema, ya que la víctima debe abrir un archivo malicioso

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None
Attack Vector
Network
Attack Complexity
Medium
Authentication
None
Confidentiality
Partial
Integrity
None
Availability
None
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2021-03-16 CVE Reserved
  • 2021-09-02 CVE Published
  • 2024-02-08 EPSS Updated
  • 2024-09-16 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-125: Out-of-bounds Read
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 <= 21.001.20150
Search vendor "Adobe" for product "Acrobat Dc" and version " >= 15.008.20082 <= 21.001.20150"
continuous
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"
>= 15.008.20082 <= 21.001.20150
Search vendor "Adobe" for product "Acrobat Reader Dc" and version " >= 15.008.20082 <= 21.001.20150"
continuous
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"
>= 17.011.30059 <= 17.011.30194
Search vendor "Adobe" for product "Acrobat" and version " >= 17.011.30059 <= 17.011.30194"
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"
>= 17.011.30059 <= 17.011.30194
Search vendor "Adobe" for product "Acrobat" and version " >= 17.011.30059 <= 17.011.30194"
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"
>= 20.001.30005 <= 20.001.30020
Search vendor "Adobe" for product "Acrobat" and version " >= 20.001.30005 <= 20.001.30020"
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"
>= 20.001.30005 <= 20.001.30020
Search vendor "Adobe" for product "Acrobat" and version " >= 20.001.30005 <= 20.001.30020"
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"
>= 17.011.30059 <= 17.011.30194
Search vendor "Adobe" for product "Acrobat Reader" and version " >= 17.011.30059 <= 17.011.30194"
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"
>= 17.011.30059 <= 17.011.30194
Search vendor "Adobe" for product "Acrobat Reader" and version " >= 17.011.30059 <= 17.011.30194"
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"
>= 20.001.30005 <= 20.001.30020
Search vendor "Adobe" for product "Acrobat Reader" and version " >= 20.001.30005 <= 20.001.30020"
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"
>= 20.001.30005 <= 20.001.30020
Search vendor "Adobe" for product "Acrobat Reader" and version " >= 20.001.30005 <= 20.001.30020"
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"
>= 15.008.20082 <= 21.001.20150
Search vendor "Adobe" for product "Acrobat Dc" and version " >= 15.008.20082 <= 21.001.20150"
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"
>= 15.008.20082 <= 21.001.20150
Search vendor "Adobe" for product "Acrobat Reader Dc" and version " >= 15.008.20082 <= 21.001.20150"
continuous
Affected
in Apple
Search vendor "Apple"
Macos
Search vendor "Apple" for product "Macos"
--
Safe