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

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.8$0-$5k0.00

Summaryinfo

A vulnerability was found in Adobe Acrobat Reader up to 20.005.30418/22.003.20281/22.003.20282. It has been rated as problematic. This impacts an unknown function. This manipulation causes out-of-bounds. This vulnerability appears as CVE-2023-21581. The attack may be initiated remotely. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as problematic was found in Adobe Acrobat Reader up to 20.005.30418/22.003.20281/22.003.20282 (Document Reader Software). Affected by this vulnerability is an unknown function. The manipulation with an unknown input leads to a out-of-bounds vulnerability. The CWE definition for the vulnerability is CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality. The summary by CVE is:

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 read vulnerability that could lead to disclosure of sensitive memory. An attacker could leverage this vulnerability to bypass mitigations such as ASLR. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

The weakness was presented 01/19/2023 as apsb23-01. The advisory is shared at helpx.adobe.com. This vulnerability is known as CVE-2023-21581 since 12/01/2022. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-25748). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.9
VulDB Meta Temp Score: 4.8

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 5.5
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
CWE: CWE-125 / 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 🔍
09/20/2025 +975 days 🔍

Sourcesinfo

Vendor: adobe.com

Advisory: apsb23-01
Status: Confirmed

CVE: CVE-2023-21581 (🔍)
GCVE (CVE): GCVE-0-2023-21581
GCVE (VulDB): GCVE-100-218953
EUVD: 🔍

Entryinfo

Created: 01/19/2023 07:12
Updated: 09/20/2025 21:40
Changes: 01/19/2023 07:12 (50), 09/20/2025 21:40 (16)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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