How severe is CVE-2021-39828?

CVE-2021-39828 has a CVSS 3.x base score of 5.8, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2021-39828 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-39828?

CVE-2021-39828 affects Adobe Digital Editions. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-39828?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-39828 published?

CVE-2021-39828 was published on 2021-09-27 and last updated on 2026-06-17.

CVE-2021-39828

CVE-2021-39828 is a medium-severity vulnerability in Adobe Digital Editions with a CVSS 3.x base score of 5.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-379.

Key facts

Severity: Medium (CVSS 3.x base score 5.8)
CVSS v2: 6.8
EPSS exploit prediction: 1% (70th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-379
Affected product: Adobe Digital Editions
Published: 2021-09-27
Last modified: 2026-06-17

Description

Adobe Digital Editions 4.5.11.187646 (and earlier) are affected by a privilege escalation vulnerability in the Digital Editions installer. An authenticated attacker could leverage this vulnerability to escalate privileges. User interaction is required before product installation to abuse this vulnerability.

Frequently asked questions

What is CVE-2021-39828?: Adobe Digital Editions 4.5.11.187646 (and earlier) are affected by a privilege escalation vulnerability in the Digital Editions installer. An authenticated attacker could leverage this vulnerability to escalate privileges. User interaction is required before product installation to abuse this vulnerability.
How severe is CVE-2021-39828?: CVE-2021-39828 has a CVSS 3.x base score of 5.8, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2021-39828 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-39828?: CVE-2021-39828 affects Adobe Digital Editions. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-39828?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-39828 published?: CVE-2021-39828 was published on 2021-09-27 and last updated on 2026-06-17.

References

https://helpx.adobe.com/security/products/Digital-Editions/apsb21-80.html

Affected products (1)

cpe:2.3:a:adobe:digital_editions:*:*:*:*:*:*:*:*

More vulnerabilities in Adobe Digital Editions

CVE-2017-3088 — Critical (CVSS 10.0): Adobe Digital Editions versions 4.5.4 and earlier have an exploitable memory corruption vulnerability in the PDF…
CVE-2014-0494 — Critical (CVSS 10.0): Adobe Digital Editions 2.0.1 allows attackers to execute arbitrary code or cause a denial of service (memory corruption…
CVE-2013-1377 — Critical (CVSS 10.0): Adobe Digital Editions 2.x before 2.0.1 allows attackers to execute arbitrary code or cause a denial of service (memory…
CVE-2020-3760 — Critical (CVSS 9.8): Adobe Digital Editions versions 4.5.10 and below have a command injection vulnerability. Successful exploitation could…
CVE-2019-7095 — Critical (CVSS 9.8): Adobe Digital Editions versions 4.5.10.185749 and below have a heap overflow vulnerability. Successful exploitation…
CVE-2018-12823 — Critical (CVSS 9.8): Adobe Digital Editions versions 4.5.8 and below have a heap overflow vulnerability. Successful exploitation could lead…

All CVEs affecting Adobe Digital Editions →

Other CWE-379 vulnerabilities

CVE-2024-9950 — High (CVSS 7.8): A vulnerability in Forescout SecureConnector v11.3.07.0109 on Windows allows unauthenticated user to modify…
CVE-2024-9500 — High (CVSS 7.8): A maliciously crafted DLL file when placed in temporary files and folders that are leveraged by the Autodesk Installer…
CVE-2023-6080 — High (CVSS 7.8): Lakeside Software’s SysTrack LsiAgent Installer version 10.7.8 for Windows contains a local privilege escalation…
CVE-2023-3181 — High (CVSS 7.8): The C:\Program Files (x86)\Splashtop\Splashtop Software Updater\uninst.exe process creates a folder at…
CVE-2023-37243 — High (CVSS 7.8): The C:\Windows\Temp\Agent.Package.Availability\Agent.Package.Availability.exe file is automatically launched as SYSTEM…
CVE-2023-26396 — High (CVSS 7.8): Adobe Acrobat Reader versions 23.001.20093 (and earlier) and 20.005.30441 (and earlier) are affected by a Creation of…

Browse all CWE-379 vulnerabilities →