Adobe Acrobat Reader up to 20.005.30418/22.003.20281/22.003.20282 out-of-bounds write

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.9$5k-$25k0.00

Summaryinfo

A vulnerability classified as critical was found in Adobe Acrobat Reader up to 20.005.30418/22.003.20281/22.003.20282. Impacted is an unknown function. Such manipulation leads to out-of-bounds write. This vulnerability is referenced as CVE-2023-21606. It is possible to launch the attack remotely. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Adobe Acrobat Reader up to 20.005.30418/22.003.20281/22.003.20282 (Document Reader Software). It has been rated as critical. Affected by this issue is an unknown function. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. Using CWE to declare the problem leads to CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Adobe Acrobat Reader versions 22.003.20282 (and earlier), 22.003.20281 (and earlier) and 20.005.30418 (and earlier) are affected by an out-of-bounds write 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.

The weakness was published 01/19/2023 as apsb23-01. The advisory is shared for download at helpx.adobe.com. This vulnerability is handled as CVE-2023-21606 since 12/01/2022. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 09/21/2025).

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-25773). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.0
VulDB Meta Temp Score: 6.9

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 7.8
CNA Vector (Adobe Systems Incorporated): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Out-of-bounds write
CWE: CWE-787 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/01/2022 🔍
01/19/2023 +49 days 🔍
01/19/2023 +0 days 🔍
09/21/2025 +976 days 🔍

Sourcesinfo

Vendor: adobe.com

Advisory: apsb23-01
Status: Confirmed

CVE: CVE-2023-21606 (🔍)
GCVE (CVE): GCVE-0-2023-21606
GCVE (VulDB): GCVE-100-218960
EUVD: 🔍

Entryinfo

Created: 01/19/2023 09:01
Updated: 09/21/2025 19:02
Changes: 01/19/2023 09:01 (50), 09/21/2025 19:02 (16)
Complete: 🔍
Cache ID: 216::103

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