What is CVE-2021-21100?

CVE-2021-21100 is a high-severity vulnerability in Adobe Digital Editions, classified under Creation of Temporary File in Directory with Insecure Permissions. CVSS score: 7.8/10. Published 2021-04-15.

How severe is CVE-2021-21100?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in Adobe Digital Editions

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…

EPSS: 0.010 (76.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Adobe Digital Editions — versions unspecified

Weakness classification (CWE)

CWE-379 — Creation of Temporary File in Directory with Insecure Permissions

References

helpx.adobe.com/security/products/Digital-Editions/apsb21-26.html (x_refsource_MISC)

Frequently asked questions

What is CVE-2021-21100?: CVE-2021-21100 is a high-severity vulnerability in Adobe Digital Editions, classified under Creation of Temporary File in Directory with Insecure Permissions. CVSS score: 7.8/10. Published 2021-04-15.
How severe is CVE-2021-21100?: High severity. CVSS v3 base score is 7.8 out of 10.