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CVE-2021-44703

HIGHCVSS 7.8/10EPSS 57.30%

Last modified

CVE-2021-44703 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. Acrobat Reader DC version 21.007.20099 (and earlier), 20.004.30017 (and earlier) and 17.011.30204 (and earlier) are affected by a stack buffer overflow vulnerability due to insecure handling of a crafted file, potentially resulting in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.. EPSS estimates a 57.30% chance of exploitation in the next 30 days.

Description

Acrobat Reader DC version 21.007.20099 (and earlier), 20.004.30017 (and earlier) and 17.011.30204 (and earlier) are affected by a stack buffer overflow vulnerability due to insecure handling of a crafted file, potentially resulting in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

Metrics

CVSS 3.1
7.8/10

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

EPSS Probability
57.30%

98.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
AdobeAcrobat Dc>= 15.008.20082, <= 21.007.20099
AdobeAcrobat Reader Dc>= 15.008.20082, <= 21.007.20099
AdobeAcrobat>= 17.011.30059, <= 17.011.30204
AdobeAcrobat>= 20.001.30005, <= 20.004.30017
AdobeAcrobat Reader>= 17.011.30059, <= 17.011.30204
AdobeAcrobat Reader>= 20.001.30005, <= 20.004.30017

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-44703?
Acrobat Reader DC version 21.007.20099 (and earlier), 20.004.30017 (and earlier) and 17.011.30204 (and earlier) are affected by a stack buffer overflow vulnerability due to insecure handling of a crafted file, potentially resulting in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
How severe is CVE-2021-44703?
CVE-2021-44703 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 57.30% probability of exploitation in the next 30 days.
How do I fix CVE-2021-44703?
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-2021-44703?

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

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Source: NVD / NIST