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CVE-2021-45067

MEDIUMCVSS 5.5/10EPSS 3.88%

Last modified

CVE-2021-45067 is a medium-severity vulnerability rated 5.5/10 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 an Access of Memory Location After End of Buffer vulnerability that could lead to disclosure of sensitive memory. An attacker could leverage this vulnerability to bypass mitigations such as ASLR. EPSS estimates a 3.88% 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 an Access of Memory Location After End of Buffer vulnerability that could lead to disclosure of sensitive memory. An attacker could leverage this vulnerability to bypass mitigations such as ASLR. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

Metrics

CVSS 3.1
5.5/10

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

EPSS Probability
3.88%

88.9th 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-2021-45067?
Acrobat Reader DC version 21.007.20099 (and earlier), 20.004.30017 (and earlier) and 17.011.30204 (and earlier) are affected by an Access of Memory Location After End of Buffer vulnerability that could lead to disclosure of sensitive memory. An attacker could leverage this vulnerability to bypass mitigations such as ASLR. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
How severe is CVE-2021-45067?
CVE-2021-45067 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 3.88% probability of exploitation in the next 30 days.
How do I fix CVE-2021-45067?
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-2021-45067?

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

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Source: NVD / NIST