CVE-2023-21608 (GCVE-0-2023-21608)

Vulnerability from cvelistv5 – Published: 2023-01-18 00:00 – Updated: 2025-10-21 23:15
VLAI? CISA KEV
Title
Adobe Acrobat Reader DC resetForm Use-After-Free Remote Code Execution Vulnerability
Summary
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.
Severity ?
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE
  • CWE-416 - Use After Free (CWE-416)
Assigner
References
Impacted products
Vendor Product Version
Adobe Acrobat Reader Affected: unspecified , ≤ 20.005.30418 (custom)
Affected: unspecified , ≤ 22.003.20282 (custom)
Affected: unspecified , ≤ 22.003.20281 (custom)
Affected: unspecified , ≤ None (custom)
Create a notification for this product.
CISA KEV
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: c7389b2a-2328-4d60-a696-9c822285bbe7

Vulnerability ID: CVE-2023-21608

Status: Confirmed

Status Updated: 2023-10-10 00:00 UTC

Exploited: Yes

Timestamps
First Seen: 2023-10-10
Asserted: 2023-10-10
Scope
Notes: KEV entry: Adobe Acrobat and Reader Use-After-Free Vulnerability | Affected: Adobe / Acrobat and Reader | Description: Adobe Acrobat and Reader contains a use-after-free vulnerability that allows for code execution in the context of the current user. | Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. | Due date: 2023-10-31 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): https://helpx.adobe.com/security/products/acrobat/apsb23-01.html; https://nvd.nist.gov/vuln/detail/CVE-2023-21608
Evidence

Type: Vendor Report

Signal: Successful Exploitation

Confidence: 80%

Source: cisa-kev

Details
Cwes CWE-416
Feed CISA Known Exploited Vulnerabilities Catalog
Product Acrobat and Reader
Due Date 2023-10-31
Date Added 2023-10-10
Vendorproject Adobe
Vulnerabilityname Adobe Acrobat and Reader Use-After-Free Vulnerability
Knownransomwarecampaignuse Unknown
References
Created: 2026-02-02 12:26 UTC | Updated: 2026-02-06 07:17 UTC
Show details on NVD website
To clipboard 

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}


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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.