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CVE-2023-21608

Adobe Acrobat Reader DC resetForm Use-After-Free Remote Code Execution Vulnerability

  • High 7.8
  • Exploited: added to CISA KEV 10 Oct 2023

Description

Adobe Acrobat Reader versions 22.003.20282 (and earlier), 22.003.20281 (and earlier) and 20.005.30418 (and earlier) are affected by a Use After Free vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

Key facts

Published
18 Jan 2023
Last changed
21 Oct 2025
Assigned by
adobe
KEV added
10 Oct 2023
KEV fix due
31 Oct 2023
EPSS
59.427% likely to be exploited in the next 30 days, higher than 99.137% of CVEs (scores for 15 Nov 2026)
SSVC (CISA)
Exploitation: active; Automatable: no; Technical impact: total

Severity scores

Each score is shown as its source gave it. They are not averaged or merged.

  • 7.8CVSS 3.1, Highfrom the CNA (adobe)CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

What to do

  • Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.CISA KEV required action

Historical context and remediation

This reference retains the original CVE publication date. A recent record update does not mean a new attack occurred.

No separately sourced impact summary is available on this page yet. Consult the description, version data and dated exploitation evidence.

Version statuses below come from the CNA. An “unaffected” version is not necessarily a currently supported release or proof of a patch date. EPSS is a dated risk estimate, not a count of historical attacks.

Read the original CVE record.

Affected products

VendorProductVersions
AdobeAcrobat Reader
  • unspecified up to and including 20.005.30418 (affected)
  • unspecified up to and including 22.003.20282 (affected)
  • unspecified up to and including 22.003.20281 (affected)
  • unspecified up to and including None (affected)

Timeline

  1. 18 Jan 2023 Published
  2. 10 Oct 2023 CVE-2023-21608 added to CISA KEV
  3. 10 Oct 2023 Added to the CISA KEV catalogue

Weakness

References