CVE-2020-24428

Name: CVE-2020-24428
Creator: NVD / NIST
Published: 2020-11-05T20:15:16.02+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.7/10EPSS 2.23%

Last modified Jun 17, 2026

CVE-2020-24428 is a high-severity vulnerability rated 7.7/10 on the CVSS scale. Acrobat Reader DC versions 2020.012.20048 (and earlier), 2020.001.30005 (and earlier) and 2017.011.30175 (and earlier) for macOS are affected by a time-of-check time-of-use (TOCTOU) race condition vulnerability that could result in local privilege escalation. Exploitation of this issue requires user interaction in that a victim must open a malicious file.. EPSS estimates a 2.23% chance of exploitation in the next 30 days.

Description

Acrobat Reader DC versions 2020.012.20048 (and earlier), 2020.001.30005 (and earlier) and 2017.011.30175 (and earlier) for macOS are affected by a time-of-check time-of-use (TOCTOU) race condition vulnerability that could result in local privilege escalation. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

Metrics

CVSS 3.1

7.7/10

CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H

EPSS Probability

2.23%

80.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-367

Affected Software

Vendor	Product	Versions
Adobe	Acrobat	<= 20.001.30005
Adobe	Acrobat Dc	<= 17.011.30175
Adobe	Acrobat Dc	<= 20.012.20048
Adobe	Acrobat Reader	<= 20.001.30005
Adobe	Acrobat Reader Dc	<= 17.011.30175
Adobe	Acrobat Reader Dc	<= 20.012.20048

References

https://helpx.adobe.com/security/products/acrobat/apsb20-67.htmlVendor Advisory
https://helpx.adobe.com/security/products/acrobat/apsb20-67.htmlVendor Advisory

Timeline

Published: Nov 5, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-24428?

How severe is CVE-2020-24428?

CVE-2020-24428 has a CVSS score of 7.7/10 (HIGH severity). The EPSS model estimates a 2.23% probability of exploitation in the next 30 days.

How do I fix CVE-2020-24428?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-24428?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST