CVE-2021-28559 Adobe Acrobat Reader privacy violation vulnerability could lead to privilege escalation

What is CVE-2021-28559?

CVE-2021-28559 is a medium-severity vulnerability in Adobe Acrobat, published on 2 Sep 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

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 Information Exposure vulnerability. An unauthenticated attacker could leverage this vulnerability to get access to restricted data stored within global variables and objects.

Weakness: CWE-359

Which versions are affected by CVE-2021-28559?

It affects 4 products.

Products include Adobe Acrobat, Adobe Acrobat Dc, Adobe Acrobat Reader, Adobe Acrobat Reader Dc.

How do I fix CVE-2021-28559?

No fix has been published for CVE-2021-28559 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-28559 being exploited?

There is no known exploitation of CVE-2021-28559 in the wild and no public exploit code.

Other vulnerabilities in Adobe Acrobat

• CVE-2021-28550 Adobe Acrobat and Reader Use-After-Free Exploited Critical 9.6
• CVE-2021-21017 Adobe Acrobat and Reader Heap-based Buffer Overflow Exploited High 8.8
• CVE-2014-0546 Adobe Reader and Acrobat Sandbox Bypass Exploited High 8.8
• CVE-2014-0496 Adobe Reader and Acrobat Use-After-Free Exploited High 8.8
• CVE-2013-3346 Adobe Reader and Acrobat Memory Corruption Exploited High 8.8

All Adobe Acrobat vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-85q6-q3jc-qvmc.