Bulletin ID
Last updated on
Apr 28, 2022
Security update available for Adobe Acrobat and Reader | APSB21-29
|
|
Date Published |
Priority |
|---|---|---|
|
APSB21-29 |
May 11, 2021 |
1 |
Summary
Adobe has released security updates for Adobe Acrobat and Reader for Windows and macOS. These updates address multiple critical and important vulnerabilities. Successful exploitation could lead to arbitrary code execution in the context of the current user.
Adobe has received a report that CVE-2021-28550 has been exploited in the wild in limited attacks targeting Adobe Reader users on Windows.
Affected Versions
|
Track |
Affected Versions |
Platform |
|
|
Acrobat DC |
Continuous |
2021.001.20150 and earlier versions |
Windows |
|
Acrobat Reader DC |
Continuous |
2021.001.20150 and earlier versions |
Windows |
|
Acrobat DC |
Continuous |
2021.001.20149 and earlier versions |
macOS |
|
Acrobat Reader DC |
Continuous |
2021.001.20149 and earlier versions |
macOS |
|
|
|
|
|
|
Acrobat 2020 |
Classic 2020 |
2020.001.30020 and earlier versions |
Windows & macOS |
|
Acrobat Reader 2020 |
Classic 2020 |
2020.001.30020 and earlier versions |
Windows & macOS |
|
|
|
|
|
|
Acrobat 2017 |
Classic 2017 |
2017.011.30194 and earlier versions |
Windows & macOS |
|
Acrobat Reader 2017 |
Classic 2017 |
2017.011.30194 and earlier versions |
Windows & macOS |
Solution
Adobe recommends users update their software installations to the latest versions by following the instructions below.
The latest product versions are available to end users via one of the following methods:
Users can update their product installations manually by choosing Help > Check for Updates.
The products will update automatically, without requiring user intervention, when updates are detected.
The full Acrobat Reader installer can be downloaded from the Acrobat Reader Download Center.
For IT administrators (managed environments):
Refer to the specific release note version for links to installers.
Install updates via your preferred methodology, such as AIP-GPO, bootstrapper, SCUP/SCCM (Windows), or on macOS, Apple Remote Desktop and SSH.
Adobe categorizes these updates with the following priority ratings and recommends users update their installation to the newest version:
|
Track |
Updated Versions |
Platform |
Priority Rating |
Availability |
|
|
Acrobat DC |
Continuous |
2021.001.20155 |
Windows and macOS |
1 |
|
|
Acrobat Reader DC |
Continuous |
2021.001.20155 |
Windows and macOS |
1 |
|
|
|
|
|
|
|
|
|
Acrobat 2020 |
Classic 2020 |
2020.001.30025 |
Windows and macOS |
1 |
|
|
Acrobat Reader 2020 |
Classic 2020 |
2020.001.30025 |
Windows and macOS |
1 |
|
|
|
|
|
|
|
|
|
Acrobat 2017 |
Classic 2017 |
2017.011.30196 |
Windows and macOS |
1 |
|
|
Acrobat Reader 2017 |
Classic 2017 |
2017.011.30196 |
Windows and macOS |
1 |
Vulnerability Details
Acknowledgements
Adobe would like to thank the following for reporting the relevant issues and for working with Adobe to help protect our customers.
- Anonymously reported (CVE-2021-28550)
- Aleksandar Nikolic of Cisco Talos. (CVE-2021-28562)
- Xu peng (xupeng_1231) (CVE-2021-28561)
- chutchut (CVE-2021-28559)
- fr0zenrain of Baidu Security (CVE-2021-28560)
- Haboob Labs (CVE-2021-28557, CVE-2021-28564, CVE-2021-28565, CVE-2021-28553, , CVE-2021-28558, CVE-2021-28555)