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TI-2021-04204 Aliases CVE-2021-21100GHSA-j6mg-g6pw-7wx6

Adobe Digital Editions Arbitrary file system write vulnerability

Priority LOW 39CWE-379Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01717 77th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
AdobeDigital Editionsup to 4.5.11.187245; up to None—No fix listedCNA
  • Digital Editions VendorAdobe Affected up to 4.5.11.187245; up to None Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:adobe:digital_editions:*:*:*:*:*:*:*:*up to 4.5.11.187245VulnerableAdobe
cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*not specified by NVDRunning onApple
  • cpe:2.3:a:adobe:digital_editions:*:*:*:*:*:*:*:* Versions up to 4.5.11.187245 Vulnerable ·Adobe
  • cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Apple

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-21100
  2. 2026-10-03 Alias added: GHSA-j6mg-g6pw-7wx6

References

Advisory 1

  • TI-2016-00862 Adobe Digital Editions before 4.5.1 allows attackers to execute arbitrary code or cause a… CVSS 3.0CRITICAL 9.8
  • TI-2018-09188 Out-of-bounds write in Adobe Digital Editions CVSS 3.0CRITICAL 9.8
  • TI-2018-09187 Out-of-bounds write in Adobe Digital Editions CVSS 3.0CRITICAL 9.8
  • TI-2019-05015 Out-of-bounds write in Adobe Digital Editions CVSS 3.0CRITICAL 9.8
  • TI-2017-02193 Memory corruption in Adobe Digital Editions 4.5.3 and earlier. CVSS 3.0CRITICAL 9.8
  • TI-2018-09197 Out-of-bounds write in Adobe Digital Editions CVSS 3.0CRITICAL 9.8
See all 70 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences