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CVE-2021-21100

HIGHCVSS 7.8/10EPSS 1.72%

Last modified

CVE-2021-21100 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. Adobe Digital Editions version 4.5.11.187245 (and earlier) is affected by a Privilege Escalation vulnerability during installation. An unauthenticated attacker could leverage this vulnerability to achieve arbitrary file system write in the context of the current user. EPSS estimates a 1.72% chance of exploitation in the next 30 days.

Description

Adobe Digital Editions version 4.5.11.187245 (and earlier) is affected by a Privilege Escalation vulnerability during installation. An unauthenticated attacker could leverage this vulnerability to achieve arbitrary file system write 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
1.72%

74.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
AdobeDigital Editions<= 4.5.11.187245

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-21100?
Adobe Digital Editions version 4.5.11.187245 (and earlier) is affected by a Privilege Escalation vulnerability during installation. An unauthenticated attacker could leverage this vulnerability to achieve arbitrary file system write 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-2021-21100?
CVE-2021-21100 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 1.72% probability of exploitation in the next 30 days.
How do I fix CVE-2021-21100?
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-2021-21100?

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

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Source: NVD / NIST