CVE-2023-21608

published 2023-01-18

CVE-2023-21608: 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…

Priority P1 84 high 7.8 CVSS 3.1

AV L AC L PR N UI R S U C H I H A H

KEV ITW EXPLOIT Initial access

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.

Affected

7 ranges

Vendor	Product	Version range	Fixed in
adobe	acrobat	20.001.30005 – 20.005.30418	—
adobe	acrobat_dc	15.008.20082 – 22.003.20282	—
adobe	acrobat_dc	15.008.20082 – 22.003.20281	—
adobe	acrobat_reader	20.001.30005 – 20.005.30418	—
adobe	acrobat_reader	unspecified – 20.005.30418	—
adobe	acrobat_reader_dc	15.008.20082 – 22.003.20282	—
adobe	acrobat_reader_dc	15.008.20082 – 22.003.20281	—

Detection & IOCs extracted from sources · hover to see the quote

• → Exploitation requires a victim to open a malicious file; monitor for suspicious PDF or Adobe Acrobat file opens, especially from untrusted sources, in affected versions of Adobe Acrobat Reader ↗
• → Flag use of Adobe Acrobat Reader versions 22.003.20282 and earlier, 22.003.20281 and earlier, and 20.005.30418 and earlier as vulnerable targets for this Use-After-Free code execution vulnerability ↗

• · This CVE is listed in CISA KEV (Known Exploited Vulnerabilities), confirming active in-the-wild exploitation; prioritize patching per vendor advisory APSB23-01 ↗

CVSS provenance

nvd v3.1 7.8 HIGH CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

vulncheck 7.8 HIGH

cisa 7.8 HIGH

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