CVE-2021-39860: Adobe Acrobat Reader DC Search Plugin Null Pointer Dereference
First published: Wed Sep 29 2021(Updated: )
Acrobat Pro DC versions 2021.005.20060 (and earlier), 2020.004.30006 (and earlier) and 2017.011.30199 (and earlier) are affected by a Null pointer dereference vulnerability. An unauthenticated attacker could leverage this vulnerability to disclose sensitive user memory. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
Credit: psirt@adobe.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Adobe Acrobat Reader | >=17.011.30059<=17.011.30199 | |
| Adobe Acrobat Reader | >=17.011.30059<=17.011.30199 | |
| Apple macOS | ||
| Microsoft Windows | ||
| Adobe Acrobat Reader | >=20.001.30005<=20.004.30006 | |
| Adobe Acrobat Reader | >=20.001.30005<=20.004.30006 | |
| Adobe Acrobat Dc | >=15.008.20082<=21.005.20058 | |
| Adobe Acrobat Reader DC | >=15.008.20082<=21.005.20058 | |
| Adobe Acrobat Dc | >=15.008.20082<=21.005.20060 | |
| Adobe Acrobat Reader DC | >=15.008.20082<=21.005.20060 |
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Frequently Asked Questions
What is CVE-2021-39860?
CVE-2021-39860 is a vulnerability in Acrobat Pro DC versions 2021.005.20060 (and earlier), 2020.004.30006 (and earlier), and 2017.011.30199 (and earlier) that allows an unauthenticated attacker to disclose sensitive user memory.
How severe is CVE-2021-39860?
CVE-2021-39860 has a severity level of medium, with a CVSS score of 5.5.
Which software versions are affected by CVE-2021-39860?
Acrobat Pro DC versions 2021.005.20060 (and earlier), 2020.004.30006 (and earlier), and 2017.011.30199 (and earlier) are affected by CVE-2021-39860.
How can an attacker exploit CVE-2021-39860?
An unauthenticated attacker can exploit CVE-2021-39860 to disclose sensitive user memory.
Is Microsoft Windows vulnerable to CVE-2021-39860?
No, Microsoft Windows is not vulnerable to CVE-2021-39860.
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