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CVE-2021-39844

LOWCVSS 3.3/10EPSS 2.99%

Last modified

CVE-2021-39844 is a low-severity vulnerability rated 3.3/10 on the CVSS scale. Acrobat Reader DC versions 2021.005.20060 (and earlier), 2020.004.30006 (and earlier) and 2017.011.30199 (and earlier) are affected by an out-of-bounds read vulnerability that could lead to disclosure of arbitrary memory information 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 2.99% chance of exploitation in the next 30 days.

Description

Acrobat Reader DC versions 2021.005.20060 (and earlier), 2020.004.30006 (and earlier) and 2017.011.30199 (and earlier) are affected by an out-of-bounds read vulnerability that could lead to disclosure of arbitrary memory information 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
3.3/10

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

EPSS Probability
2.99%

85.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
AdobeAcrobat>= 20.001.30005, <= 20.004.30006
AdobeAcrobat Reader>= 20.001.30005, <= 20.004.30006
AdobeAcrobat Dc>= 15.008.20082, <= 21.005.20058
AdobeAcrobat Reader Dc>= 15.008.20082, <= 21.005.20058
AdobeAcrobat Dc>= 15.008.20082, <= 21.005.20060
AdobeAcrobat Reader Dc>= 15.008.20082, <= 21.005.20060
AdobeAcrobat>= 17.011.30059, <= 17.011.30199
AdobeAcrobat Reader>= 17.011.30059, <= 17.011.30199

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-39844?
Acrobat Reader DC versions 2021.005.20060 (and earlier), 2020.004.30006 (and earlier) and 2017.011.30199 (and earlier) are affected by an out-of-bounds read vulnerability that could lead to disclosure of arbitrary memory information 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-2021-39844?
CVE-2021-39844 has a CVSS score of 3.3/10 (LOW severity). The EPSS model estimates a 2.99% probability of exploitation in the next 30 days.
How do I fix CVE-2021-39844?
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-2021-39844?

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

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Source: NVD / NIST